Home / 160,648.40-240,523.32-121,081.52

Finding the Fourth Proportional to 160,648.40, 240,523.32 and 121,081.52

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Solution

The fourth proportional to 160,648.40, 240,523.32 and 121,081.52 is: 181,283.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,648.40 : 240,523.32 = 121,081.52 : x
  2. Step 2: Convert to fraction form
    160,648.40/240,523.32 = 121,081.52/x
  3. Step 3: Cross multiply
    160,648.40x = 240,523.32 × 121,081.52
  4. Step 4: Simplify right side
    160,648.40x = 29,122,930,236.41
  5. Step 5: Solve for x
    x = 29,122,930,236.41/160,648.40
  6. Step 6: Final answer
    x = 181,283.66

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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.