Home / 381,811.68-572,715.44-93,619.76

Finding the Fourth Proportional to 381,811.68, 572,715.44 and 93,619.76

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Solution

The fourth proportional to 381,811.68, 572,715.44 and 93,619.76 is: 140,429.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,811.68 : 572,715.44 = 93,619.76 : x
  2. Step 2: Convert to fraction form
    381,811.68/572,715.44 = 93,619.76/x
  3. Step 3: Cross multiply
    381,811.68x = 572,715.44 × 93,619.76
  4. Step 4: Simplify right side
    381,811.68x = 53,617,482,041.09
  5. Step 5: Solve for x
    x = 53,617,482,041.09/381,811.68
  6. Step 6: Final answer
    x = 140,429.13

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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.