Home / 191,746.92-287,684.16-85,116.09

Finding the Fourth Proportional to 191,746.92, 287,684.16 and 85,116.09

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Solution

The fourth proportional to 191,746.92, 287,684.16 and 85,116.09 is: 127,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,746.92 : 287,684.16 = 85,116.09 : x
  2. Step 2: Convert to fraction form
    191,746.92/287,684.16 = 85,116.09/x
  3. Step 3: Cross multiply
    191,746.92x = 287,684.16 × 85,116.09
  4. Step 4: Simplify right side
    191,746.92x = 24,486,550,854.13
  5. Step 5: Solve for x
    x = 24,486,550,854.13/191,746.92
  6. Step 6: Final answer
    x = 127,702.45

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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.