Home / 130,934.72-196,402.20-42,201.44

Finding the Fourth Proportional to 130,934.72, 196,402.20 and 42,201.44

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Solution

The fourth proportional to 130,934.72, 196,402.20 and 42,201.44 is: 63,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,934.72 : 196,402.20 = 42,201.44 : x
  2. Step 2: Convert to fraction form
    130,934.72/196,402.20 = 42,201.44/x
  3. Step 3: Cross multiply
    130,934.72x = 196,402.20 × 42,201.44
  4. Step 4: Simplify right side
    130,934.72x = 8,288,455,659.17
  5. Step 5: Solve for x
    x = 8,288,455,659.17/130,934.72
  6. Step 6: Final answer
    x = 63,302.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.