Home / 183,948.72-275,864.76-78,739.44

Finding the Fourth Proportional to 183,948.72, 275,864.76 and 78,739.44

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Solution

The fourth proportional to 183,948.72, 275,864.76 and 78,739.44 is: 118,084.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,948.72 : 275,864.76 = 78,739.44 : x
  2. Step 2: Convert to fraction form
    183,948.72/275,864.76 = 78,739.44/x
  3. Step 3: Cross multiply
    183,948.72x = 275,864.76 × 78,739.44
  4. Step 4: Simplify right side
    183,948.72x = 21,721,436,718.13
  5. Step 5: Solve for x
    x = 21,721,436,718.13/183,948.72
  6. Step 6: Final answer
    x = 118,084.20

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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.