Home / 191,761.22-287,683.35-73,432.57

Finding the Fourth Proportional to 191,761.22, 287,683.35 and 73,432.57

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Solution

The fourth proportional to 191,761.22, 287,683.35 and 73,432.57 is: 110,164.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,761.22 : 287,683.35 = 73,432.57 : x
  2. Step 2: Convert to fraction form
    191,761.22/287,683.35 = 73,432.57/x
  3. Step 3: Cross multiply
    191,761.22x = 287,683.35 × 73,432.57
  4. Step 4: Simplify right side
    191,761.22x = 21,125,327,017.50
  5. Step 5: Solve for x
    x = 21,125,327,017.50/191,761.22
  6. Step 6: Final answer
    x = 110,164.75

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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.