Home / 231,545.32-347,083.74-91,402.60

Finding the Fourth Proportional to 231,545.32, 347,083.74 and 91,402.60

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Solution

The fourth proportional to 231,545.32, 347,083.74 and 91,402.60 is: 137,011.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,545.32 : 347,083.74 = 91,402.60 : x
  2. Step 2: Convert to fraction form
    231,545.32/347,083.74 = 91,402.60/x
  3. Step 3: Cross multiply
    231,545.32x = 347,083.74 × 91,402.60
  4. Step 4: Simplify right side
    231,545.32x = 31,724,356,253.72
  5. Step 5: Solve for x
    x = 31,724,356,253.72/231,545.32
  6. Step 6: Final answer
    x = 137,011.43

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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.