Home / 214,597.35-296,051.90-129,665.25

Finding the Fourth Proportional to 214,597.35, 296,051.90 and 129,665.25

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Solution

The fourth proportional to 214,597.35, 296,051.90 and 129,665.25 is: 178,882.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,597.35 : 296,051.90 = 129,665.25 : x
  2. Step 2: Convert to fraction form
    214,597.35/296,051.90 = 129,665.25/x
  3. Step 3: Cross multiply
    214,597.35x = 296,051.90 × 129,665.25
  4. Step 4: Simplify right side
    214,597.35x = 38,387,642,978.15
  5. Step 5: Solve for x
    x = 38,387,642,978.15/214,597.35
  6. Step 6: Final answer
    x = 178,882.19

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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.