Home / 207,616.22-286,510.38-112,122.92

Finding the Fourth Proportional to 207,616.22, 286,510.38 and 112,122.92

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Solution

The fourth proportional to 207,616.22, 286,510.38 and 112,122.92 is: 154,729.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,616.22 : 286,510.38 = 112,122.92 : x
  2. Step 2: Convert to fraction form
    207,616.22/286,510.38 = 112,122.92/x
  3. Step 3: Cross multiply
    207,616.22x = 286,510.38 × 112,122.92
  4. Step 4: Simplify right side
    207,616.22x = 32,124,378,983.36
  5. Step 5: Solve for x
    x = 32,124,378,983.36/207,616.22
  6. Step 6: Final answer
    x = 154,729.62

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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.