Home / 191,926.25-287,766.20-79,683.93

Finding the Fourth Proportional to 191,926.25, 287,766.20 and 79,683.93

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Solution

The fourth proportional to 191,926.25, 287,766.20 and 79,683.93 is: 119,474.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,926.25 : 287,766.20 = 79,683.93 : x
  2. Step 2: Convert to fraction form
    191,926.25/287,766.20 = 79,683.93/x
  3. Step 3: Cross multiply
    191,926.25x = 287,766.20 × 79,683.93
  4. Step 4: Simplify right side
    191,926.25x = 22,930,341,338.75
  5. Step 5: Solve for x
    x = 22,930,341,338.75/191,926.25
  6. Step 6: Final answer
    x = 119,474.76

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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.