Home / 114,288.76-171,320.13-54,211.87

Finding the Fourth Proportional to 114,288.76, 171,320.13 and 54,211.87

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Solution

The fourth proportional to 114,288.76, 171,320.13 and 54,211.87 is: 81,264.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,288.76 : 171,320.13 = 54,211.87 : x
  2. Step 2: Convert to fraction form
    114,288.76/171,320.13 = 54,211.87/x
  3. Step 3: Cross multiply
    114,288.76x = 171,320.13 × 54,211.87
  4. Step 4: Simplify right side
    114,288.76x = 9,287,584,615.94
  5. Step 5: Solve for x
    x = 9,287,584,615.94/114,288.76
  6. Step 6: Final answer
    x = 81,264.20

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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.