Home / 101,628.12-140,244.30-59,194.92

Finding the Fourth Proportional to 101,628.12, 140,244.30 and 59,194.92

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Solution

The fourth proportional to 101,628.12, 140,244.30 and 59,194.92 is: 81,687.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,628.12 : 140,244.30 = 59,194.92 : x
  2. Step 2: Convert to fraction form
    101,628.12/140,244.30 = 59,194.92/x
  3. Step 3: Cross multiply
    101,628.12x = 140,244.30 × 59,194.92
  4. Step 4: Simplify right side
    101,628.12x = 8,301,750,118.96
  5. Step 5: Solve for x
    x = 8,301,750,118.96/101,628.12
  6. Step 6: Final answer
    x = 81,687.53

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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.