Home / 191,462.57-287,371.16-96,759.39

Finding the Fourth Proportional to 191,462.57, 287,371.16 and 96,759.39

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Solution

The fourth proportional to 191,462.57, 287,371.16 and 96,759.39 is: 145,228.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,462.57 : 287,371.16 = 96,759.39 : x
  2. Step 2: Convert to fraction form
    191,462.57/287,371.16 = 96,759.39/x
  3. Step 3: Cross multiply
    191,462.57x = 287,371.16 × 96,759.39
  4. Step 4: Simplify right side
    191,462.57x = 27,805,859,101.89
  5. Step 5: Solve for x
    x = 27,805,859,101.89/191,462.57
  6. Step 6: Final answer
    x = 145,228.70

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1.5x scale

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.