Home / 207,947.57-286,966.19-112,452.89

Finding the Fourth Proportional to 207,947.57, 286,966.19 and 112,452.89

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Solution

The fourth proportional to 207,947.57, 286,966.19 and 112,452.89 is: 155,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,947.57 : 286,966.19 = 112,452.89 : x
  2. Step 2: Convert to fraction form
    207,947.57/286,966.19 = 112,452.89/x
  3. Step 3: Cross multiply
    207,947.57x = 286,966.19 × 112,452.89
  4. Step 4: Simplify right side
    207,947.57x = 32,270,176,244.09
  5. Step 5: Solve for x
    x = 32,270,176,244.09/207,947.57
  6. Step 6: Final answer
    x = 155,184.20

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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.