Home / 155,508.36-232,961.82-130,248.48

Finding the Fourth Proportional to 155,508.36, 232,961.82 and 130,248.48

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Solution

The fourth proportional to 155,508.36, 232,961.82 and 130,248.48 is: 195,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,508.36 : 232,961.82 = 130,248.48 : x
  2. Step 2: Convert to fraction form
    155,508.36/232,961.82 = 130,248.48/x
  3. Step 3: Cross multiply
    155,508.36x = 232,961.82 × 130,248.48
  4. Step 4: Simplify right side
    155,508.36x = 30,342,922,953.03
  5. Step 5: Solve for x
    x = 30,342,922,953.03/155,508.36
  6. Step 6: Final answer
    x = 195,120.85

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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.