Home / 172,480.02-258,721.17-60,159.82

Finding the Fourth Proportional to 172,480.02, 258,721.17 and 60,159.82

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Solution

The fourth proportional to 172,480.02, 258,721.17 and 60,159.82 is: 90,240.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,480.02 : 258,721.17 = 60,159.82 : x
  2. Step 2: Convert to fraction form
    172,480.02/258,721.17 = 60,159.82/x
  3. Step 3: Cross multiply
    172,480.02x = 258,721.17 × 60,159.82
  4. Step 4: Simplify right side
    172,480.02x = 15,564,619,017.39
  5. Step 5: Solve for x
    x = 15,564,619,017.39/172,480.02
  6. Step 6: Final answer
    x = 90,240.13

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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.