Home / 191,683.26-287,542.17-51,440.94

Finding the Fourth Proportional to 191,683.26, 287,542.17 and 51,440.94

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Solution

The fourth proportional to 191,683.26, 287,542.17 and 51,440.94 is: 77,166.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,683.26 : 287,542.17 = 51,440.94 : x
  2. Step 2: Convert to fraction form
    191,683.26/287,542.17 = 51,440.94/x
  3. Step 3: Cross multiply
    191,683.26x = 287,542.17 × 51,440.94
  4. Step 4: Simplify right side
    191,683.26x = 14,791,439,514.44
  5. Step 5: Solve for x
    x = 14,791,439,514.44/191,683.26
  6. Step 6: Final answer
    x = 77,166.05

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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.