Home / 114,747.20-171,775.20-102,305.60

Finding the Fourth Proportional to 114,747.20, 171,775.20 and 102,305.60

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Solution

The fourth proportional to 114,747.20, 171,775.20 and 102,305.60 is: 153,150.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,747.20 : 171,775.20 = 102,305.60 : x
  2. Step 2: Convert to fraction form
    114,747.20/171,775.20 = 102,305.60/x
  3. Step 3: Cross multiply
    114,747.20x = 171,775.20 × 102,305.60
  4. Step 4: Simplify right side
    114,747.20x = 17,573,564,901.12
  5. Step 5: Solve for x
    x = 17,573,564,901.12/114,747.20
  6. Step 6: Final answer
    x = 153,150.27

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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.