Home / 154,527.38-231,399-129,501.62

Finding the Fourth Proportional to 154,527.38, 231,399 and 129,501.62

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Solution

The fourth proportional to 154,527.38, 231,399 and 129,501.62 is: 193,923.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,527.38 : 231,399 = 129,501.62 : x
  2. Step 2: Convert to fraction form
    154,527.38/231,399 = 129,501.62/x
  3. Step 3: Cross multiply
    154,527.38x = 231,399 × 129,501.62
  4. Step 4: Simplify right side
    154,527.38x = 29,966,545,366.38
  5. Step 5: Solve for x
    x = 29,966,545,366.38/154,527.38
  6. Step 6: Final answer
    x = 193,923.86

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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.