Home / 163,020.11-244,531-74,211.50

Finding the Fourth Proportional to 163,020.11, 244,531 and 74,211.50

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Solution

The fourth proportional to 163,020.11, 244,531 and 74,211.50 is: 111,317.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,020.11 : 244,531 = 74,211.50 : x
  2. Step 2: Convert to fraction form
    163,020.11/244,531 = 74,211.50/x
  3. Step 3: Cross multiply
    163,020.11x = 244,531 × 74,211.50
  4. Step 4: Simplify right side
    163,020.11x = 18,147,012,306.50
  5. Step 5: Solve for x
    x = 18,147,012,306.50/163,020.11
  6. Step 6: Final answer
    x = 111,317.63

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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.