Home / 127,350.80-175,736.40-70,760.24

Finding the Fourth Proportional to 127,350.80, 175,736.40 and 70,760.24

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Solution

The fourth proportional to 127,350.80, 175,736.40 and 70,760.24 is: 97,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,350.80 : 175,736.40 = 70,760.24 : x
  2. Step 2: Convert to fraction form
    127,350.80/175,736.40 = 70,760.24/x
  3. Step 3: Cross multiply
    127,350.80x = 175,736.40 × 70,760.24
  4. Step 4: Simplify right side
    127,350.80x = 12,435,149,840.74
  5. Step 5: Solve for x
    x = 12,435,149,840.74/127,350.80
  6. Step 6: Final answer
    x = 97,644.85

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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.