Home / 176,340.55-243,377.45-99,863.59

Finding the Fourth Proportional to 176,340.55, 243,377.45 and 99,863.59

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Solution

The fourth proportional to 176,340.55, 243,377.45 and 99,863.59 is: 137,827.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,340.55 : 243,377.45 = 99,863.59 : x
  2. Step 2: Convert to fraction form
    176,340.55/243,377.45 = 99,863.59/x
  3. Step 3: Cross multiply
    176,340.55x = 243,377.45 × 99,863.59
  4. Step 4: Simplify right side
    176,340.55x = 24,304,545,882.05
  5. Step 5: Solve for x
    x = 24,304,545,882.05/176,340.55
  6. Step 6: Final answer
    x = 137,827.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.