Home / 187,831.80-282,006.90-148,433.40

Finding the Fourth Proportional to 187,831.80, 282,006.90 and 148,433.40

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Solution

The fourth proportional to 187,831.80, 282,006.90 and 148,433.40 is: 222,854.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,831.80 : 282,006.90 = 148,433.40 : x
  2. Step 2: Convert to fraction form
    187,831.80/282,006.90 = 148,433.40/x
  3. Step 3: Cross multiply
    187,831.80x = 282,006.90 × 148,433.40
  4. Step 4: Simplify right side
    187,831.80x = 41,859,242,990.46
  5. Step 5: Solve for x
    x = 41,859,242,990.46/187,831.80
  6. Step 6: Final answer
    x = 222,854.93

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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.