Home / 153,876.02-231,219.94-82,851.17

Finding the Fourth Proportional to 153,876.02, 231,219.94 and 82,851.17

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Solution

The fourth proportional to 153,876.02, 231,219.94 and 82,851.17 is: 124,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,876.02 : 231,219.94 = 82,851.17 : x
  2. Step 2: Convert to fraction form
    153,876.02/231,219.94 = 82,851.17/x
  3. Step 3: Cross multiply
    153,876.02x = 231,219.94 × 82,851.17
  4. Step 4: Simplify right side
    153,876.02x = 19,156,841,193.10
  5. Step 5: Solve for x
    x = 19,156,841,193.10/153,876.02
  6. Step 6: Final answer
    x = 124,495.30

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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.