Home / 140,930.74-194,332.53-107,001.46

Finding the Fourth Proportional to 140,930.74, 194,332.53 and 107,001.46

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Solution

The fourth proportional to 140,930.74, 194,332.53 and 107,001.46 is: 147,546.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,930.74 : 194,332.53 = 107,001.46 : x
  2. Step 2: Convert to fraction form
    140,930.74/194,332.53 = 107,001.46/x
  3. Step 3: Cross multiply
    140,930.74x = 194,332.53 × 107,001.46
  4. Step 4: Simplify right side
    140,930.74x = 20,793,864,435.49
  5. Step 5: Solve for x
    x = 20,793,864,435.49/140,930.74
  6. Step 6: Final answer
    x = 147,546.69

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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.