Home / 185,839.90-256,460.10-100,957.16

Finding the Fourth Proportional to 185,839.90, 256,460.10 and 100,957.16

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Solution

The fourth proportional to 185,839.90, 256,460.10 and 100,957.16 is: 139,321.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,839.90 : 256,460.10 = 100,957.16 : x
  2. Step 2: Convert to fraction form
    185,839.90/256,460.10 = 100,957.16/x
  3. Step 3: Cross multiply
    185,839.90x = 256,460.10 × 100,957.16
  4. Step 4: Simplify right side
    185,839.90x = 25,891,483,349.32
  5. Step 5: Solve for x
    x = 25,891,483,349.32/185,839.90
  6. Step 6: Final answer
    x = 139,321.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.