Home / 134,787.70-202,108.65-55,909.90

Finding the Fourth Proportional to 134,787.70, 202,108.65 and 55,909.90

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Solution

The fourth proportional to 134,787.70, 202,108.65 and 55,909.90 is: 83,834.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,787.70 : 202,108.65 = 55,909.90 : x
  2. Step 2: Convert to fraction form
    134,787.70/202,108.65 = 55,909.90/x
  3. Step 3: Cross multiply
    134,787.70x = 202,108.65 × 55,909.90
  4. Step 4: Simplify right side
    134,787.70x = 11,299,874,410.64
  5. Step 5: Solve for x
    x = 11,299,874,410.64/134,787.70
  6. Step 6: Final answer
    x = 83,834.61

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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.