Home / 207,617.54-286,512.17-112,124.21

Finding the Fourth Proportional to 207,617.54, 286,512.17 and 112,124.21

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Solution

The fourth proportional to 207,617.54, 286,512.17 and 112,124.21 is: 154,731.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,617.54 : 286,512.17 = 112,124.21 : x
  2. Step 2: Convert to fraction form
    207,617.54/286,512.17 = 112,124.21/x
  3. Step 3: Cross multiply
    207,617.54x = 286,512.17 × 112,124.21
  4. Step 4: Simplify right side
    207,617.54x = 32,124,951,713.23
  5. Step 5: Solve for x
    x = 32,124,951,713.23/207,617.54
  6. Step 6: Final answer
    x = 154,731.40

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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.