Home / 104,182.04-143,770.64-56,436.32

Finding the Fourth Proportional to 104,182.04, 143,770.64 and 56,436.32

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Solution

The fourth proportional to 104,182.04, 143,770.64 and 56,436.32 is: 77,881.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,182.04 : 143,770.64 = 56,436.32 : x
  2. Step 2: Convert to fraction form
    104,182.04/143,770.64 = 56,436.32/x
  3. Step 3: Cross multiply
    104,182.04x = 143,770.64 × 56,436.32
  4. Step 4: Simplify right side
    104,182.04x = 8,113,885,845.64
  5. Step 5: Solve for x
    x = 8,113,885,845.64/104,182.04
  6. Step 6: Final answer
    x = 77,881.81

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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.