Home / 342,726.12-472,944.36-187,673.16

Finding the Fourth Proportional to 342,726.12, 472,944.36 and 187,673.16

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Solution

The fourth proportional to 342,726.12, 472,944.36 and 187,673.16 is: 258,979.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,726.12 : 472,944.36 = 187,673.16 : x
  2. Step 2: Convert to fraction form
    342,726.12/472,944.36 = 187,673.16/x
  3. Step 3: Cross multiply
    342,726.12x = 472,944.36 × 187,673.16
  4. Step 4: Simplify right side
    342,726.12x = 88,758,962,545.38
  5. Step 5: Solve for x
    x = 88,758,962,545.38/342,726.12
  6. Step 6: Final answer
    x = 258,979.28

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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.