Home / 316,187.43-474,281.96-129,198.93

Finding the Fourth Proportional to 316,187.43, 474,281.96 and 129,198.93

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Solution

The fourth proportional to 316,187.43, 474,281.96 and 129,198.93 is: 193,798.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,187.43 : 474,281.96 = 129,198.93 : x
  2. Step 2: Convert to fraction form
    316,187.43/474,281.96 = 129,198.93/x
  3. Step 3: Cross multiply
    316,187.43x = 474,281.96 × 129,198.93
  4. Step 4: Simplify right side
    316,187.43x = 61,276,721,104.31
  5. Step 5: Solve for x
    x = 61,276,721,104.31/316,187.43
  6. Step 6: Final answer
    x = 193,798.73

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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.