Home / 104,186.60-143,777.86-56,439.80

Finding the Fourth Proportional to 104,186.60, 143,777.86 and 56,439.80

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Solution

The fourth proportional to 104,186.60, 143,777.86 and 56,439.80 is: 77,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,186.60 : 143,777.86 = 56,439.80 : x
  2. Step 2: Convert to fraction form
    104,186.60/143,777.86 = 56,439.80/x
  3. Step 3: Cross multiply
    104,186.60x = 143,777.86 × 56,439.80
  4. Step 4: Simplify right side
    104,186.60x = 8,114,793,662.83
  5. Step 5: Solve for x
    x = 8,114,793,662.83/104,186.60
  6. Step 6: Final answer
    x = 77,887.11

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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.