Home / 127,538.88-176,003.52-70,949.04

Finding the Fourth Proportional to 127,538.88, 176,003.52 and 70,949.04

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Solution

The fourth proportional to 127,538.88, 176,003.52 and 70,949.04 is: 97,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,538.88 : 176,003.52 = 70,949.04 : x
  2. Step 2: Convert to fraction form
    127,538.88/176,003.52 = 70,949.04/x
  3. Step 3: Cross multiply
    127,538.88x = 176,003.52 × 70,949.04
  4. Step 4: Simplify right side
    127,538.88x = 12,487,280,780.62
  5. Step 5: Solve for x
    x = 12,487,280,780.62/127,538.88
  6. Step 6: Final answer
    x = 97,909.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.