Home / 191,932.26-287,775.18-79,689.96

Finding the Fourth Proportional to 191,932.26, 287,775.18 and 79,689.96

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Solution

The fourth proportional to 191,932.26, 287,775.18 and 79,689.96 is: 119,483.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,932.26 : 287,775.18 = 79,689.96 : x
  2. Step 2: Convert to fraction form
    191,932.26/287,775.18 = 79,689.96/x
  3. Step 3: Cross multiply
    191,932.26x = 287,775.18 × 79,689.96
  4. Step 4: Simplify right side
    191,932.26x = 22,932,792,583.19
  5. Step 5: Solve for x
    x = 22,932,792,583.19/191,932.26
  6. Step 6: Final answer
    x = 119,483.78

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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.