Home / 157,449.16-236,122.57-52,239.88

Finding the Fourth Proportional to 157,449.16, 236,122.57 and 52,239.88

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Solution

The fourth proportional to 157,449.16, 236,122.57 and 52,239.88 is: 78,342.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,449.16 : 236,122.57 = 52,239.88 : x
  2. Step 2: Convert to fraction form
    157,449.16/236,122.57 = 52,239.88/x
  3. Step 3: Cross multiply
    157,449.16x = 236,122.57 × 52,239.88
  4. Step 4: Simplify right side
    157,449.16x = 12,335,013,280.28
  5. Step 5: Solve for x
    x = 12,335,013,280.28/157,449.16
  6. Step 6: Final answer
    x = 78,342.84

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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.