Home / 287,832.54-397,199.19-158,776.17

Finding the Fourth Proportional to 287,832.54, 397,199.19 and 158,776.17

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Solution

The fourth proportional to 287,832.54, 397,199.19 and 158,776.17 is: 219,105.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,832.54 : 397,199.19 = 158,776.17 : x
  2. Step 2: Convert to fraction form
    287,832.54/397,199.19 = 158,776.17/x
  3. Step 3: Cross multiply
    287,832.54x = 397,199.19 × 158,776.17
  4. Step 4: Simplify right side
    287,832.54x = 63,065,766,115.30
  5. Step 5: Solve for x
    x = 63,065,766,115.30/287,832.54
  6. Step 6: Final answer
    x = 219,105.76

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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.