Home / 127,553.44-176,031.12-70,964.32

Finding the Fourth Proportional to 127,553.44, 176,031.12 and 70,964.32

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Solution

The fourth proportional to 127,553.44, 176,031.12 and 70,964.32 is: 97,934.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,553.44 : 176,031.12 = 70,964.32 : x
  2. Step 2: Convert to fraction form
    127,553.44/176,031.12 = 70,964.32/x
  3. Step 3: Cross multiply
    127,553.44x = 176,031.12 × 70,964.32
  4. Step 4: Simplify right side
    127,553.44x = 12,491,928,729.64
  5. Step 5: Solve for x
    x = 12,491,928,729.64/127,553.44
  6. Step 6: Final answer
    x = 97,934.86

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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.