Home / 197,598.38-272,611.33-129,652.86

Finding the Fourth Proportional to 197,598.38, 272,611.33 and 129,652.86

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Solution

The fourth proportional to 197,598.38, 272,611.33 and 129,652.86 is: 178,872.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,598.38 : 272,611.33 = 129,652.86 : x
  2. Step 2: Convert to fraction form
    197,598.38/272,611.33 = 129,652.86/x
  3. Step 3: Cross multiply
    197,598.38x = 272,611.33 × 129,652.86
  4. Step 4: Simplify right side
    197,598.38x = 35,344,838,602.90
  5. Step 5: Solve for x
    x = 35,344,838,602.90/197,598.38
  6. Step 6: Final answer
    x = 178,872.11

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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.