Home / 108,866.28-163,299.23-71,417.44

Finding the Fourth Proportional to 108,866.28, 163,299.23 and 71,417.44

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Solution

The fourth proportional to 108,866.28, 163,299.23 and 71,417.44 is: 107,126.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,866.28 : 163,299.23 = 71,417.44 : x
  2. Step 2: Convert to fraction form
    108,866.28/163,299.23 = 71,417.44/x
  3. Step 3: Cross multiply
    108,866.28x = 163,299.23 × 71,417.44
  4. Step 4: Simplify right side
    108,866.28x = 11,662,412,960.57
  5. Step 5: Solve for x
    x = 11,662,412,960.57/108,866.28
  6. Step 6: Final answer
    x = 107,126.04

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1.5x scale

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.