Home / 103,441.18-142,765.46-96,687.48

Finding the Fourth Proportional to 103,441.18, 142,765.46 and 96,687.48

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Solution

The fourth proportional to 103,441.18, 142,765.46 and 96,687.48 is: 133,444.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,441.18 : 142,765.46 = 96,687.48 : x
  2. Step 2: Convert to fraction form
    103,441.18/142,765.46 = 96,687.48/x
  3. Step 3: Cross multiply
    103,441.18x = 142,765.46 × 96,687.48
  4. Step 4: Simplify right side
    103,441.18x = 13,803,632,558.44
  5. Step 5: Solve for x
    x = 13,803,632,558.44/103,441.18
  6. Step 6: Final answer
    x = 133,444.27

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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.