Home / 115,538.40-173,221.20-63,007.20

Finding the Fourth Proportional to 115,538.40, 173,221.20 and 63,007.20

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Solution

The fourth proportional to 115,538.40, 173,221.20 and 63,007.20 is: 94,463.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,538.40 : 173,221.20 = 63,007.20 : x
  2. Step 2: Convert to fraction form
    115,538.40/173,221.20 = 63,007.20/x
  3. Step 3: Cross multiply
    115,538.40x = 173,221.20 × 63,007.20
  4. Step 4: Simplify right side
    115,538.40x = 10,914,182,792.64
  5. Step 5: Solve for x
    x = 10,914,182,792.64/115,538.40
  6. Step 6: Final answer
    x = 94,463.68

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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.