Home / 207,686.16-286,606.90-112,192.86

Finding the Fourth Proportional to 207,686.16, 286,606.90 and 112,192.86

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Solution

The fourth proportional to 207,686.16, 286,606.90 and 112,192.86 is: 154,826.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,686.16 : 286,606.90 = 112,192.86 : x
  2. Step 2: Convert to fraction form
    207,686.16/286,606.90 = 112,192.86/x
  3. Step 3: Cross multiply
    207,686.16x = 286,606.90 × 112,192.86
  4. Step 4: Simplify right side
    207,686.16x = 32,155,247,806.73
  5. Step 5: Solve for x
    x = 32,155,247,806.73/207,686.16
  6. Step 6: Final answer
    x = 154,826.15

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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.