Home / 127,146.11-175,469.83-70,557.48

Finding the Fourth Proportional to 127,146.11, 175,469.83 and 70,557.48

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Solution

The fourth proportional to 127,146.11, 175,469.83 and 70,557.48 is: 97,373.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,146.11 : 175,469.83 = 70,557.48 : x
  2. Step 2: Convert to fraction form
    127,146.11/175,469.83 = 70,557.48/x
  3. Step 3: Cross multiply
    127,146.11x = 175,469.83 × 70,557.48
  4. Step 4: Simplify right side
    127,146.11x = 12,380,708,844.43
  5. Step 5: Solve for x
    x = 12,380,708,844.43/127,146.11
  6. Step 6: Final answer
    x = 97,373.87

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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.