Home / 207,609.25-286,500.77-112,115.95

Finding the Fourth Proportional to 207,609.25, 286,500.77 and 112,115.95

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Solution

The fourth proportional to 207,609.25, 286,500.77 and 112,115.95 is: 154,720.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,609.25 : 286,500.77 = 112,115.95 : x
  2. Step 2: Convert to fraction form
    207,609.25/286,500.77 = 112,115.95/x
  3. Step 3: Cross multiply
    207,609.25x = 286,500.77 × 112,115.95
  4. Step 4: Simplify right side
    207,609.25x = 32,121,306,004.28
  5. Step 5: Solve for x
    x = 32,121,306,004.28/207,609.25
  6. Step 6: Final answer
    x = 154,720.01

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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.