Home / 191,942.46-287,790.52-79,700.15

Finding the Fourth Proportional to 191,942.46, 287,790.52 and 79,700.15

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Solution

The fourth proportional to 191,942.46, 287,790.52 and 79,700.15 is: 119,499.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,942.46 : 287,790.52 = 79,700.15 : x
  2. Step 2: Convert to fraction form
    191,942.46/287,790.52 = 79,700.15/x
  3. Step 3: Cross multiply
    191,942.46x = 287,790.52 × 79,700.15
  4. Step 4: Simplify right side
    191,942.46x = 22,936,948,282.24
  5. Step 5: Solve for x
    x = 22,936,948,282.24/191,942.46
  6. Step 6: Final answer
    x = 119,499.08

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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.