Home / 187,831.50-281,747.25-63,172.50

Finding the Fourth Proportional to 187,831.50, 281,747.25 and 63,172.50

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Solution

The fourth proportional to 187,831.50, 281,747.25 and 63,172.50 is: 94,758.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,831.50 : 281,747.25 = 63,172.50 : x
  2. Step 2: Convert to fraction form
    187,831.50/281,747.25 = 63,172.50/x
  3. Step 3: Cross multiply
    187,831.50x = 281,747.25 × 63,172.50
  4. Step 4: Simplify right side
    187,831.50x = 17,798,678,150.63
  5. Step 5: Solve for x
    x = 17,798,678,150.63/187,831.50
  6. Step 6: Final answer
    x = 94,758.75

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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.