Home / 185,675.19-256,230-100,792.14

Finding the Fourth Proportional to 185,675.19, 256,230 and 100,792.14

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Solution

The fourth proportional to 185,675.19, 256,230 and 100,792.14 is: 139,092.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,675.19 : 256,230 = 100,792.14 : x
  2. Step 2: Convert to fraction form
    185,675.19/256,230 = 100,792.14/x
  3. Step 3: Cross multiply
    185,675.19x = 256,230 × 100,792.14
  4. Step 4: Simplify right side
    185,675.19x = 25,825,970,032.20
  5. Step 5: Solve for x
    x = 25,825,970,032.20/185,675.19
  6. Step 6: Final answer
    x = 139,092.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.