Home / 137,816.64-206,736.30-58,931.55

Finding the Fourth Proportional to 137,816.64, 206,736.30 and 58,931.55

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Solution

The fourth proportional to 137,816.64, 206,736.30 and 58,931.55 is: 88,402.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,816.64 : 206,736.30 = 58,931.55 : x
  2. Step 2: Convert to fraction form
    137,816.64/206,736.30 = 58,931.55/x
  3. Step 3: Cross multiply
    137,816.64x = 206,736.30 × 58,931.55
  4. Step 4: Simplify right side
    137,816.64x = 12,183,290,600.27
  5. Step 5: Solve for x
    x = 12,183,290,600.27/137,816.64
  6. Step 6: Final answer
    x = 88,402.17

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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.