Home / 130,753.20-196,159.14-42,011.76

Finding the Fourth Proportional to 130,753.20, 196,159.14 and 42,011.76

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Solution

The fourth proportional to 130,753.20, 196,159.14 and 42,011.76 is: 63,027.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,753.20 : 196,159.14 = 42,011.76 : x
  2. Step 2: Convert to fraction form
    130,753.20/196,159.14 = 42,011.76/x
  3. Step 3: Cross multiply
    130,753.20x = 196,159.14 × 42,011.76
  4. Step 4: Simplify right side
    130,753.20x = 8,240,990,711.49
  5. Step 5: Solve for x
    x = 8,240,990,711.49/130,753.20
  6. Step 6: Final answer
    x = 63,027.07

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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.