Home / 316,189.43-474,284.96-129,200.93

Finding the Fourth Proportional to 316,189.43, 474,284.96 and 129,200.93

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Solution

The fourth proportional to 316,189.43, 474,284.96 and 129,200.93 is: 193,801.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,189.43 : 474,284.96 = 129,200.93 : x
  2. Step 2: Convert to fraction form
    316,189.43/474,284.96 = 129,200.93/x
  3. Step 3: Cross multiply
    316,189.43x = 474,284.96 × 129,200.93
  4. Step 4: Simplify right side
    316,189.43x = 61,278,057,917.01
  5. Step 5: Solve for x
    x = 61,278,057,917.01/316,189.43
  6. Step 6: Final answer
    x = 193,801.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.