Home / 356,111.28-534,232.08-178,740.72

Finding the Fourth Proportional to 356,111.28, 534,232.08 and 178,740.72

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Solution

The fourth proportional to 356,111.28, 534,232.08 and 178,740.72 is: 268,143.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,111.28 : 534,232.08 = 178,740.72 : x
  2. Step 2: Convert to fraction form
    356,111.28/534,232.08 = 178,740.72/x
  3. Step 3: Cross multiply
    356,111.28x = 534,232.08 × 178,740.72
  4. Step 4: Simplify right side
    356,111.28x = 95,489,026,626.30
  5. Step 5: Solve for x
    x = 95,489,026,626.30/356,111.28
  6. Step 6: Final answer
    x = 268,143.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.