Home / 129,453.64-194,201.38-38,278.29

Finding the Fourth Proportional to 129,453.64, 194,201.38 and 38,278.29

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Solution

The fourth proportional to 129,453.64, 194,201.38 and 38,278.29 is: 57,423.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,453.64 : 194,201.38 = 38,278.29 : x
  2. Step 2: Convert to fraction form
    129,453.64/194,201.38 = 38,278.29/x
  3. Step 3: Cross multiply
    129,453.64x = 194,201.38 × 38,278.29
  4. Step 4: Simplify right side
    129,453.64x = 7,433,696,425.76
  5. Step 5: Solve for x
    x = 7,433,696,425.76/129,453.64
  6. Step 6: Final answer
    x = 57,423.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.