Home / 133,149.96-183,747.15-75,787.38

Finding the Fourth Proportional to 133,149.96, 183,747.15 and 75,787.38

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Solution

The fourth proportional to 133,149.96, 183,747.15 and 75,787.38 is: 104,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,149.96 : 183,747.15 = 75,787.38 : x
  2. Step 2: Convert to fraction form
    133,149.96/183,747.15 = 75,787.38/x
  3. Step 3: Cross multiply
    133,149.96x = 183,747.15 × 75,787.38
  4. Step 4: Simplify right side
    133,149.96x = 13,925,715,080.97
  5. Step 5: Solve for x
    x = 13,925,715,080.97/133,149.96
  6. Step 6: Final answer
    x = 104,586.70

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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.