Home / 108,565.14-163,587.27-89,275.80

Finding the Fourth Proportional to 108,565.14, 163,587.27 and 89,275.80

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Solution

The fourth proportional to 108,565.14, 163,587.27 and 89,275.80 is: 134,521.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,565.14 : 163,587.27 = 89,275.80 : x
  2. Step 2: Convert to fraction form
    108,565.14/163,587.27 = 89,275.80/x
  3. Step 3: Cross multiply
    108,565.14x = 163,587.27 × 89,275.80
  4. Step 4: Simplify right side
    108,565.14x = 14,604,384,399.07
  5. Step 5: Solve for x
    x = 14,604,384,399.07/108,565.14
  6. Step 6: Final answer
    x = 134,521.86

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.