Home / 187,762.18-281,708.07-117,557.86

Finding the Fourth Proportional to 187,762.18, 281,708.07 and 117,557.86

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Solution

The fourth proportional to 187,762.18, 281,708.07 and 117,557.86 is: 176,377.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,762.18 : 281,708.07 = 117,557.86 : x
  2. Step 2: Convert to fraction form
    187,762.18/281,708.07 = 117,557.86/x
  3. Step 3: Cross multiply
    187,762.18x = 281,708.07 × 117,557.86
  4. Step 4: Simplify right side
    187,762.18x = 33,116,997,853.93
  5. Step 5: Solve for x
    x = 33,116,997,853.93/187,762.18
  6. Step 6: Final answer
    x = 176,377.36

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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.