Home / 140,761.51-194,250.92-77,101.59

Finding the Fourth Proportional to 140,761.51, 194,250.92 and 77,101.59

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Solution

The fourth proportional to 140,761.51, 194,250.92 and 77,101.59 is: 106,400.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,761.51 : 194,250.92 = 77,101.59 : x
  2. Step 2: Convert to fraction form
    140,761.51/194,250.92 = 77,101.59/x
  3. Step 3: Cross multiply
    140,761.51x = 194,250.92 × 77,101.59
  4. Step 4: Simplify right side
    140,761.51x = 14,977,054,790.96
  5. Step 5: Solve for x
    x = 14,977,054,790.96/140,761.51
  6. Step 6: Final answer
    x = 106,400.21

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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.