Home / 126,316.15-174,310.16-71,863.19

Finding the Fourth Proportional to 126,316.15, 174,310.16 and 71,863.19

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Solution

The fourth proportional to 126,316.15, 174,310.16 and 71,863.19 is: 99,167.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,316.15 : 174,310.16 = 71,863.19 : x
  2. Step 2: Convert to fraction form
    126,316.15/174,310.16 = 71,863.19/x
  3. Step 3: Cross multiply
    126,316.15x = 174,310.16 × 71,863.19
  4. Step 4: Simplify right side
    126,316.15x = 12,526,483,275.46
  5. Step 5: Solve for x
    x = 12,526,483,275.46/126,316.15
  6. Step 6: Final answer
    x = 99,167.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.