Home / 159,340.00-219,902.05-91,363.30

Finding the Fourth Proportional to 159,340.00, 219,902.05 and 91,363.30

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Solution

The fourth proportional to 159,340.00, 219,902.05 and 91,363.30 is: 126,088.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,340.00 : 219,902.05 = 91,363.30 : x
  2. Step 2: Convert to fraction form
    159,340.00/219,902.05 = 91,363.30/x
  3. Step 3: Cross multiply
    159,340.00x = 219,902.05 × 91,363.30
  4. Step 4: Simplify right side
    159,340.00x = 20,090,976,464.42
  5. Step 5: Solve for x
    x = 20,090,976,464.42/159,340.00
  6. Step 6: Final answer
    x = 126,088.72

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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.