Home / 127,016.24-175,279.80-70,427.12

Finding the Fourth Proportional to 127,016.24, 175,279.80 and 70,427.12

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Solution

The fourth proportional to 127,016.24, 175,279.80 and 70,427.12 is: 97,187.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,016.24 : 175,279.80 = 70,427.12 : x
  2. Step 2: Convert to fraction form
    127,016.24/175,279.80 = 70,427.12/x
  3. Step 3: Cross multiply
    127,016.24x = 175,279.80 × 70,427.12
  4. Step 4: Simplify right side
    127,016.24x = 12,344,451,508.18
  5. Step 5: Solve for x
    x = 12,344,451,508.18/127,016.24
  6. Step 6: Final answer
    x = 97,187.98

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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.