Home / 207,763.06-286,712.90-112,269.72

Finding the Fourth Proportional to 207,763.06, 286,712.90 and 112,269.72

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Solution

The fourth proportional to 207,763.06, 286,712.90 and 112,269.72 is: 154,932.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,763.06 : 286,712.90 = 112,269.72 : x
  2. Step 2: Convert to fraction form
    207,763.06/286,712.90 = 112,269.72/x
  3. Step 3: Cross multiply
    207,763.06x = 286,712.90 × 112,269.72
  4. Step 4: Simplify right side
    207,763.06x = 32,189,177,003.39
  5. Step 5: Solve for x
    x = 32,189,177,003.39/207,763.06
  6. Step 6: Final answer
    x = 154,932.15

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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.