Home / 131,519.60-197,299.08-48,407.28

Finding the Fourth Proportional to 131,519.60, 197,299.08 and 48,407.28

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Solution

The fourth proportional to 131,519.60, 197,299.08 and 48,407.28 is: 72,618.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,519.60 : 197,299.08 = 48,407.28 : x
  2. Step 2: Convert to fraction form
    131,519.60/197,299.08 = 48,407.28/x
  3. Step 3: Cross multiply
    131,519.60x = 197,299.08 × 48,407.28
  4. Step 4: Simplify right side
    131,519.60x = 9,550,711,809.30
  5. Step 5: Solve for x
    x = 9,550,711,809.30/131,519.60
  6. Step 6: Final answer
    x = 72,618.16

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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.