Home / 160,370.24-240,672-71,723.84

Finding the Fourth Proportional to 160,370.24, 240,672 and 71,723.84

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Solution

The fourth proportional to 160,370.24, 240,672 and 71,723.84 is: 107,637.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,370.24 : 240,672 = 71,723.84 : x
  2. Step 2: Convert to fraction form
    160,370.24/240,672 = 71,723.84/x
  3. Step 3: Cross multiply
    160,370.24x = 240,672 × 71,723.84
  4. Step 4: Simplify right side
    160,370.24x = 17,261,920,020.48
  5. Step 5: Solve for x
    x = 17,261,920,020.48/160,370.24
  6. Step 6: Final answer
    x = 107,637.93

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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.