Home / 191,540.80-287,488.23-96,837.58

Finding the Fourth Proportional to 191,540.80, 287,488.23 and 96,837.58

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Solution

The fourth proportional to 191,540.80, 287,488.23 and 96,837.58 is: 145,345.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,540.80 : 287,488.23 = 96,837.58 : x
  2. Step 2: Convert to fraction form
    191,540.80/287,488.23 = 96,837.58/x
  3. Step 3: Cross multiply
    191,540.80x = 287,488.23 × 96,837.58
  4. Step 4: Simplify right side
    191,540.80x = 27,839,664,471.68
  5. Step 5: Solve for x
    x = 27,839,664,471.68/191,540.80
  6. Step 6: Final answer
    x = 145,345.87

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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.