Home / 132,619.16-198,808.76-48,359.60

Finding the Fourth Proportional to 132,619.16, 198,808.76 and 48,359.60

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Solution

The fourth proportional to 132,619.16, 198,808.76 and 48,359.60 is: 72,495.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,619.16 : 198,808.76 = 48,359.60 : x
  2. Step 2: Convert to fraction form
    132,619.16/198,808.76 = 48,359.60/x
  3. Step 3: Cross multiply
    132,619.16x = 198,808.76 × 48,359.60
  4. Step 4: Simplify right side
    132,619.16x = 9,614,312,110.10
  5. Step 5: Solve for x
    x = 9,614,312,110.10/132,619.16
  6. Step 6: Final answer
    x = 72,495.65

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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.