Home / 127,521.14-176,031.02-82,201.64

Finding the Fourth Proportional to 127,521.14, 176,031.02 and 82,201.64

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Solution

The fourth proportional to 127,521.14, 176,031.02 and 82,201.64 is: 113,471.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,521.14 : 176,031.02 = 82,201.64 : x
  2. Step 2: Convert to fraction form
    127,521.14/176,031.02 = 82,201.64/x
  3. Step 3: Cross multiply
    127,521.14x = 176,031.02 × 82,201.64
  4. Step 4: Simplify right side
    127,521.14x = 14,470,037,860.22
  5. Step 5: Solve for x
    x = 14,470,037,860.22/127,521.14
  6. Step 6: Final answer
    x = 113,471.68

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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.