Home / 108,838.27-163,257.41-38,718.19

Finding the Fourth Proportional to 108,838.27, 163,257.41 and 38,718.19

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Solution

The fourth proportional to 108,838.27, 163,257.41 and 38,718.19 is: 58,077.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,838.27 : 163,257.41 = 38,718.19 : x
  2. Step 2: Convert to fraction form
    108,838.27/163,257.41 = 38,718.19/x
  3. Step 3: Cross multiply
    108,838.27x = 163,257.41 × 38,718.19
  4. Step 4: Simplify right side
    108,838.27x = 6,321,031,419.29
  5. Step 5: Solve for x
    x = 6,321,031,419.29/108,838.27
  6. Step 6: Final answer
    x = 58,077.29

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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.