Home / 366,921.35-550,436.70-130,244.21

Finding the Fourth Proportional to 366,921.35, 550,436.70 and 130,244.21

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Solution

The fourth proportional to 366,921.35, 550,436.70 and 130,244.21 is: 195,385.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,921.35 : 550,436.70 = 130,244.21 : x
  2. Step 2: Convert to fraction form
    366,921.35/550,436.70 = 130,244.21/x
  3. Step 3: Cross multiply
    366,921.35x = 550,436.70 × 130,244.21
  4. Step 4: Simplify right side
    366,921.35x = 71,691,193,146.51
  5. Step 5: Solve for x
    x = 71,691,193,146.51/366,921.35
  6. Step 6: Final answer
    x = 195,385.72

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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.