Home / 145,862.16-218,414.56-124,936.44

Finding the Fourth Proportional to 145,862.16, 218,414.56 and 124,936.44

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Solution

The fourth proportional to 145,862.16, 218,414.56 and 124,936.44 is: 187,080.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,862.16 : 218,414.56 = 124,936.44 : x
  2. Step 2: Convert to fraction form
    145,862.16/218,414.56 = 124,936.44/x
  3. Step 3: Cross multiply
    145,862.16x = 218,414.56 × 124,936.44
  4. Step 4: Simplify right side
    145,862.16x = 27,287,937,570.57
  5. Step 5: Solve for x
    x = 27,287,937,570.57/145,862.16
  6. Step 6: Final answer
    x = 187,080.31

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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.