Home / 156,660.12-234,989.08-38,333.16

Finding the Fourth Proportional to 156,660.12, 234,989.08 and 38,333.16

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Solution

The fourth proportional to 156,660.12, 234,989.08 and 38,333.16 is: 57,499.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,660.12 : 234,989.08 = 38,333.16 : x
  2. Step 2: Convert to fraction form
    156,660.12/234,989.08 = 38,333.16/x
  3. Step 3: Cross multiply
    156,660.12x = 234,989.08 × 38,333.16
  4. Step 4: Simplify right side
    156,660.12x = 9,007,874,001.89
  5. Step 5: Solve for x
    x = 9,007,874,001.89/156,660.12
  6. Step 6: Final answer
    x = 57,499.47

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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.