Home / 130,641.38-194,877.14-126,268.19

Finding the Fourth Proportional to 130,641.38, 194,877.14 and 126,268.19

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Solution

The fourth proportional to 130,641.38, 194,877.14 and 126,268.19 is: 188,353.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,641.38 : 194,877.14 = 126,268.19 : x
  2. Step 2: Convert to fraction form
    130,641.38/194,877.14 = 126,268.19/x
  3. Step 3: Cross multiply
    130,641.38x = 194,877.14 × 126,268.19
  4. Step 4: Simplify right side
    130,641.38x = 24,606,782,765.79
  5. Step 5: Solve for x
    x = 24,606,782,765.79/130,641.38
  6. Step 6: Final answer
    x = 188,353.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.