Home / 227,921.85-314,543.15-137,306.24

Finding the Fourth Proportional to 227,921.85, 314,543.15 and 137,306.24

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Solution

The fourth proportional to 227,921.85, 314,543.15 and 137,306.24 is: 189,489.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,921.85 : 314,543.15 = 137,306.24 : x
  2. Step 2: Convert to fraction form
    227,921.85/314,543.15 = 137,306.24/x
  3. Step 3: Cross multiply
    227,921.85x = 314,543.15 × 137,306.24
  4. Step 4: Simplify right side
    227,921.85x = 43,188,734,985.01
  5. Step 5: Solve for x
    x = 43,188,734,985.01/227,921.85
  6. Step 6: Final answer
    x = 189,489.23

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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.