Home / 257,916.56-386,984.18-124,895.93

Finding the Fourth Proportional to 257,916.56, 386,984.18 and 124,895.93

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Solution

The fourth proportional to 257,916.56, 386,984.18 and 124,895.93 is: 187,396.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,916.56 : 386,984.18 = 124,895.93 : x
  2. Step 2: Convert to fraction form
    257,916.56/386,984.18 = 124,895.93/x
  3. Step 3: Cross multiply
    257,916.56x = 386,984.18 × 124,895.93
  4. Step 4: Simplify right side
    257,916.56x = 48,332,747,433.71
  5. Step 5: Solve for x
    x = 48,332,747,433.71/257,916.56
  6. Step 6: Final answer
    x = 187,396.84

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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.