Home / 131,538.18-197,306.01-56,711.19

Finding the Fourth Proportional to 131,538.18, 197,306.01 and 56,711.19

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Solution

The fourth proportional to 131,538.18, 197,306.01 and 56,711.19 is: 85,066.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,538.18 : 197,306.01 = 56,711.19 : x
  2. Step 2: Convert to fraction form
    131,538.18/197,306.01 = 56,711.19/x
  3. Step 3: Cross multiply
    131,538.18x = 197,306.01 × 56,711.19
  4. Step 4: Simplify right side
    131,538.18x = 11,189,458,621.25
  5. Step 5: Solve for x
    x = 11,189,458,621.25/131,538.18
  6. Step 6: Final answer
    x = 85,066.24

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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.