Home / 194,715.20-291,854.10-82,376.30

Finding the Fourth Proportional to 194,715.20, 291,854.10 and 82,376.30

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Solution

The fourth proportional to 194,715.20, 291,854.10 and 82,376.30 is: 123,471.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,715.20 : 291,854.10 = 82,376.30 : x
  2. Step 2: Convert to fraction form
    194,715.20/291,854.10 = 82,376.30/x
  3. Step 3: Cross multiply
    194,715.20x = 291,854.10 × 82,376.30
  4. Step 4: Simplify right side
    194,715.20x = 24,041,860,897.83
  5. Step 5: Solve for x
    x = 24,041,860,897.83/194,715.20
  6. Step 6: Final answer
    x = 123,471.93

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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.