Home / 156,643.12-234,963.60-38,316.16

Finding the Fourth Proportional to 156,643.12, 234,963.60 and 38,316.16

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Solution

The fourth proportional to 156,643.12, 234,963.60 and 38,316.16 is: 57,473.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,643.12 : 234,963.60 = 38,316.16 : x
  2. Step 2: Convert to fraction form
    156,643.12/234,963.60 = 38,316.16/x
  3. Step 3: Cross multiply
    156,643.12x = 234,963.60 × 38,316.16
  4. Step 4: Simplify right side
    156,643.12x = 9,002,902,891.78
  5. Step 5: Solve for x
    x = 9,002,902,891.78/156,643.12
  6. Step 6: Final answer
    x = 57,473.98

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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.