Home / 131,553.27-197,331.72-42,807.24

Finding the Fourth Proportional to 131,553.27, 197,331.72 and 42,807.24

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Solution

The fourth proportional to 131,553.27, 197,331.72 and 42,807.24 is: 64,211.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,553.27 : 197,331.72 = 42,807.24 : x
  2. Step 2: Convert to fraction form
    131,553.27/197,331.72 = 42,807.24/x
  3. Step 3: Cross multiply
    131,553.27x = 197,331.72 × 42,807.24
  4. Step 4: Simplify right side
    131,553.27x = 8,447,226,297.65
  5. Step 5: Solve for x
    x = 8,447,226,297.65/131,553.27
  6. Step 6: Final answer
    x = 64,211.45

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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.