Home / 130,750.20-196,154.64-42,008.76

Finding the Fourth Proportional to 130,750.20, 196,154.64 and 42,008.76

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Solution

The fourth proportional to 130,750.20, 196,154.64 and 42,008.76 is: 63,022.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,750.20 : 196,154.64 = 42,008.76 : x
  2. Step 2: Convert to fraction form
    130,750.20/196,154.64 = 42,008.76/x
  3. Step 3: Cross multiply
    130,750.20x = 196,154.64 × 42,008.76
  4. Step 4: Simplify right side
    130,750.20x = 8,240,213,194.65
  5. Step 5: Solve for x
    x = 8,240,213,194.65/130,750.20
  6. Step 6: Final answer
    x = 63,022.57

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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.