Home / 104,187.04-143,777.54-56,441.32

Finding the Fourth Proportional to 104,187.04, 143,777.54 and 56,441.32

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Solution

The fourth proportional to 104,187.04, 143,777.54 and 56,441.32 is: 77,888.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,187.04 : 143,777.54 = 56,441.32 : x
  2. Step 2: Convert to fraction form
    104,187.04/143,777.54 = 56,441.32/x
  3. Step 3: Cross multiply
    104,187.04x = 143,777.54 × 56,441.32
  4. Step 4: Simplify right side
    104,187.04x = 8,114,994,143.95
  5. Step 5: Solve for x
    x = 8,114,994,143.95/104,187.04
  6. Step 6: Final answer
    x = 77,888.71

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.