Home / 104,101.20-143,657.96-56,354.13

Finding the Fourth Proportional to 104,101.20, 143,657.96 and 56,354.13

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Solution

The fourth proportional to 104,101.20, 143,657.96 and 56,354.13 is: 77,767.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,101.20 : 143,657.96 = 56,354.13 : x
  2. Step 2: Convert to fraction form
    104,101.20/143,657.96 = 56,354.13/x
  3. Step 3: Cross multiply
    104,101.20x = 143,657.96 × 56,354.13
  4. Step 4: Simplify right side
    104,101.20x = 8,095,719,071.60
  5. Step 5: Solve for x
    x = 8,095,719,071.60/104,101.20
  6. Step 6: Final answer
    x = 77,767.78

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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.