Home / 103,822.76-142,966.31-96,287.24

Finding the Fourth Proportional to 103,822.76, 142,966.31 and 96,287.24

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Solution

The fourth proportional to 103,822.76, 142,966.31 and 96,287.24 is: 132,589.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,822.76 : 142,966.31 = 96,287.24 : x
  2. Step 2: Convert to fraction form
    103,822.76/142,966.31 = 96,287.24/x
  3. Step 3: Cross multiply
    103,822.76x = 142,966.31 × 96,287.24
  4. Step 4: Simplify right side
    103,822.76x = 13,765,831,278.86
  5. Step 5: Solve for x
    x = 13,765,831,278.86/103,822.76
  6. Step 6: Final answer
    x = 132,589.72

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1.5x scale

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.