Home / 108,591.14-163,626.53-89,301.80

Finding the Fourth Proportional to 108,591.14, 163,626.53 and 89,301.80

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Solution

The fourth proportional to 108,591.14, 163,626.53 and 89,301.80 is: 134,561.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,591.14 : 163,626.53 = 89,301.80 : x
  2. Step 2: Convert to fraction form
    108,591.14/163,626.53 = 89,301.80/x
  3. Step 3: Cross multiply
    108,591.14x = 163,626.53 × 89,301.80
  4. Step 4: Simplify right side
    108,591.14x = 14,612,143,656.75
  5. Step 5: Solve for x
    x = 14,612,143,656.75/108,591.14
  6. Step 6: Final answer
    x = 134,561.10

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1.5x scale

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.