Home / 131,272.65-196,921.17-101,723.55

Finding the Fourth Proportional to 131,272.65, 196,921.17 and 101,723.55

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Solution

The fourth proportional to 131,272.65, 196,921.17 and 101,723.55 is: 152,594.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,272.65 : 196,921.17 = 101,723.55 : x
  2. Step 2: Convert to fraction form
    131,272.65/196,921.17 = 101,723.55/x
  3. Step 3: Cross multiply
    131,272.65x = 196,921.17 × 101,723.55
  4. Step 4: Simplify right side
    131,272.65x = 20,031,520,482.55
  5. Step 5: Solve for x
    x = 20,031,520,482.55/131,272.65
  6. Step 6: Final answer
    x = 152,594.77

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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.