Home / 207,863.43-286,851.75-112,370.13

Finding the Fourth Proportional to 207,863.43, 286,851.75 and 112,370.13

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Solution

The fourth proportional to 207,863.43, 286,851.75 and 112,370.13 is: 155,070.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,863.43 : 286,851.75 = 112,370.13 : x
  2. Step 2: Convert to fraction form
    207,863.43/286,851.75 = 112,370.13/x
  3. Step 3: Cross multiply
    207,863.43x = 286,851.75 × 112,370.13
  4. Step 4: Simplify right side
    207,863.43x = 32,233,568,438.23
  5. Step 5: Solve for x
    x = 32,233,568,438.23/207,863.43
  6. Step 6: Final answer
    x = 155,070.90

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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.