Home / 151,697.32-209,340.84-83,714.92

Finding the Fourth Proportional to 151,697.32, 209,340.84 and 83,714.92

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Solution

The fourth proportional to 151,697.32, 209,340.84 and 83,714.92 is: 115,525.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,697.32 : 209,340.84 = 83,714.92 : x
  2. Step 2: Convert to fraction form
    151,697.32/209,340.84 = 83,714.92/x
  3. Step 3: Cross multiply
    151,697.32x = 209,340.84 × 83,714.92
  4. Step 4: Simplify right side
    151,697.32x = 17,524,951,673.33
  5. Step 5: Solve for x
    x = 17,524,951,673.33/151,697.32
  6. Step 6: Final answer
    x = 115,525.78

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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.