Home / 131,275.35-196,913.03-48,158.55

Finding the Fourth Proportional to 131,275.35, 196,913.03 and 48,158.55

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Solution

The fourth proportional to 131,275.35, 196,913.03 and 48,158.55 is: 72,237.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,275.35 : 196,913.03 = 48,158.55 : x
  2. Step 2: Convert to fraction form
    131,275.35/196,913.03 = 48,158.55/x
  3. Step 3: Cross multiply
    131,275.35x = 196,913.03 × 48,158.55
  4. Step 4: Simplify right side
    131,275.35x = 9,483,045,760.11
  5. Step 5: Solve for x
    x = 9,483,045,760.11/131,275.35
  6. Step 6: Final answer
    x = 72,237.83

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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.