Home / 191,456.58-287,184.74-51,211.56

Finding the Fourth Proportional to 191,456.58, 287,184.74 and 51,211.56

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Solution

The fourth proportional to 191,456.58, 287,184.74 and 51,211.56 is: 76,817.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,456.58 : 287,184.74 = 51,211.56 : x
  2. Step 2: Convert to fraction form
    191,456.58/287,184.74 = 51,211.56/x
  3. Step 3: Cross multiply
    191,456.58x = 287,184.74 × 51,211.56
  4. Step 4: Simplify right side
    191,456.58x = 14,707,178,543.59
  5. Step 5: Solve for x
    x = 14,707,178,543.59/191,456.58
  6. Step 6: Final answer
    x = 76,817.31

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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.