Home / 108,472.10-162,425.16-87,296.46

Finding the Fourth Proportional to 108,472.10, 162,425.16 and 87,296.46

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Solution

The fourth proportional to 108,472.10, 162,425.16 and 87,296.46 is: 130,716.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,472.10 : 162,425.16 = 87,296.46 : x
  2. Step 2: Convert to fraction form
    108,472.10/162,425.16 = 87,296.46/x
  3. Step 3: Cross multiply
    108,472.10x = 162,425.16 × 87,296.46
  4. Step 4: Simplify right side
    108,472.10x = 14,179,141,482.93
  5. Step 5: Solve for x
    x = 14,179,141,482.93/108,472.10
  6. Step 6: Final answer
    x = 130,716.94

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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.