Home / 132,461.13-198,617.88-43,690.80

Finding the Fourth Proportional to 132,461.13, 198,617.88 and 43,690.80

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Solution

The fourth proportional to 132,461.13, 198,617.88 and 43,690.80 is: 65,511.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,461.13 : 198,617.88 = 43,690.80 : x
  2. Step 2: Convert to fraction form
    132,461.13/198,617.88 = 43,690.80/x
  3. Step 3: Cross multiply
    132,461.13x = 198,617.88 × 43,690.80
  4. Step 4: Simplify right side
    132,461.13x = 8,677,774,980.16
  5. Step 5: Solve for x
    x = 8,677,774,980.16/132,461.13
  6. Step 6: Final answer
    x = 65,511.86

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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.