Home / 130,758.76-196,167.28-47,652.76

Finding the Fourth Proportional to 130,758.76, 196,167.28 and 47,652.76

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Solution

The fourth proportional to 130,758.76, 196,167.28 and 47,652.76 is: 71,489.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,758.76 : 196,167.28 = 47,652.76 : x
  2. Step 2: Convert to fraction form
    130,758.76/196,167.28 = 47,652.76/x
  3. Step 3: Cross multiply
    130,758.76x = 196,167.28 × 47,652.76
  4. Step 4: Simplify right side
    130,758.76x = 9,347,912,313.69
  5. Step 5: Solve for x
    x = 9,347,912,313.69/130,758.76
  6. Step 6: Final answer
    x = 71,489.76

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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.