Home / 238,151.94-357,206.18-80,381.76

Finding the Fourth Proportional to 238,151.94, 357,206.18 and 80,381.76

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Solution

The fourth proportional to 238,151.94, 357,206.18 and 80,381.76 is: 120,565.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,151.94 : 357,206.18 = 80,381.76 : x
  2. Step 2: Convert to fraction form
    238,151.94/357,206.18 = 80,381.76/x
  3. Step 3: Cross multiply
    238,151.94x = 357,206.18 × 80,381.76
  4. Step 4: Simplify right side
    238,151.94x = 28,712,861,029.37
  5. Step 5: Solve for x
    x = 28,712,861,029.37/238,151.94
  6. Step 6: Final answer
    x = 120,565.30

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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.