Home / 182,708.40-252,138.96-102,139.20

Finding the Fourth Proportional to 182,708.40, 252,138.96 and 102,139.20

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Solution

The fourth proportional to 182,708.40, 252,138.96 and 102,139.20 is: 140,952.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,708.40 : 252,138.96 = 102,139.20 : x
  2. Step 2: Convert to fraction form
    182,708.40/252,138.96 = 102,139.20/x
  3. Step 3: Cross multiply
    182,708.40x = 252,138.96 × 102,139.20
  4. Step 4: Simplify right side
    182,708.40x = 25,753,271,663.23
  5. Step 5: Solve for x
    x = 25,753,271,663.23/182,708.40
  6. Step 6: Final answer
    x = 140,952.86

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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.