Home / 356,246.06-534,319.68-89,990.15

Finding the Fourth Proportional to 356,246.06, 534,319.68 and 89,990.15

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Solution

The fourth proportional to 356,246.06, 534,319.68 and 89,990.15 is: 134,972.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,246.06 : 534,319.68 = 89,990.15 : x
  2. Step 2: Convert to fraction form
    356,246.06/534,319.68 = 89,990.15/x
  3. Step 3: Cross multiply
    356,246.06x = 534,319.68 × 89,990.15
  4. Step 4: Simplify right side
    356,246.06x = 48,083,508,151.15
  5. Step 5: Solve for x
    x = 48,083,508,151.15/356,246.06
  6. Step 6: Final answer
    x = 134,972.74

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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.