Home / 239,385.38-330,415.40-141,354.52

Finding the Fourth Proportional to 239,385.38, 330,415.40 and 141,354.52

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Solution

The fourth proportional to 239,385.38, 330,415.40 and 141,354.52 is: 195,106.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,385.38 : 330,415.40 = 141,354.52 : x
  2. Step 2: Convert to fraction form
    239,385.38/330,415.40 = 141,354.52/x
  3. Step 3: Cross multiply
    239,385.38x = 330,415.40 × 141,354.52
  4. Step 4: Simplify right side
    239,385.38x = 46,705,709,794.96
  5. Step 5: Solve for x
    x = 46,705,709,794.96/239,385.38
  6. Step 6: Final answer
    x = 195,106.78

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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.