Home / 187,831.68-280,092-186,147.20

Finding the Fourth Proportional to 187,831.68, 280,092 and 186,147.20

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Solution

The fourth proportional to 187,831.68, 280,092 and 186,147.20 is: 277,580.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,831.68 : 280,092 = 186,147.20 : x
  2. Step 2: Convert to fraction form
    187,831.68/280,092 = 186,147.20/x
  3. Step 3: Cross multiply
    187,831.68x = 280,092 × 186,147.20
  4. Step 4: Simplify right side
    187,831.68x = 52,138,341,542.40
  5. Step 5: Solve for x
    x = 52,138,341,542.40/187,831.68
  6. Step 6: Final answer
    x = 277,580.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.