Home / 155,098.24-232,648.54-84,939.28

Finding the Fourth Proportional to 155,098.24, 232,648.54 and 84,939.28

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Solution

The fourth proportional to 155,098.24, 232,648.54 and 84,939.28 is: 127,409.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,098.24 : 232,648.54 = 84,939.28 : x
  2. Step 2: Convert to fraction form
    155,098.24/232,648.54 = 84,939.28/x
  3. Step 3: Cross multiply
    155,098.24x = 232,648.54 × 84,939.28
  4. Step 4: Simplify right side
    155,098.24x = 19,760,999,480.65
  5. Step 5: Solve for x
    x = 19,760,999,480.65/155,098.24
  6. Step 6: Final answer
    x = 127,409.57

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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.