Home / 140,770.01-194,262.66-77,110.10

Finding the Fourth Proportional to 140,770.01, 194,262.66 and 77,110.10

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Solution

The fourth proportional to 140,770.01, 194,262.66 and 77,110.10 is: 106,411.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,770.01 : 194,262.66 = 77,110.10 : x
  2. Step 2: Convert to fraction form
    140,770.01/194,262.66 = 77,110.10/x
  3. Step 3: Cross multiply
    140,770.01x = 194,262.66 × 77,110.10
  4. Step 4: Simplify right side
    140,770.01x = 14,979,613,138.87
  5. Step 5: Solve for x
    x = 14,979,613,138.87/140,770.01
  6. Step 6: Final answer
    x = 106,411.96

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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.