Home / 316,404.06-474,682.23-129,416.10

Finding the Fourth Proportional to 316,404.06, 474,682.23 and 129,416.10

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Solution

The fourth proportional to 316,404.06, 474,682.23 and 129,416.10 is: 194,155.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,404.06 : 474,682.23 = 129,416.10 : x
  2. Step 2: Convert to fraction form
    316,404.06/474,682.23 = 129,416.10/x
  3. Step 3: Cross multiply
    316,404.06x = 474,682.23 × 129,416.10
  4. Step 4: Simplify right side
    316,404.06x = 61,431,522,945.90
  5. Step 5: Solve for x
    x = 61,431,522,945.90/316,404.06
  6. Step 6: Final answer
    x = 194,155.29

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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.