Home / 125,440.20-188,160.30-119,608.20

Finding the Fourth Proportional to 125,440.20, 188,160.30 and 119,608.20

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Solution

The fourth proportional to 125,440.20, 188,160.30 and 119,608.20 is: 179,412.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,440.20 : 188,160.30 = 119,608.20 : x
  2. Step 2: Convert to fraction form
    125,440.20/188,160.30 = 119,608.20/x
  3. Step 3: Cross multiply
    125,440.20x = 188,160.30 × 119,608.20
  4. Step 4: Simplify right side
    125,440.20x = 22,505,514,794.46
  5. Step 5: Solve for x
    x = 22,505,514,794.46/125,440.20
  6. Step 6: Final answer
    x = 179,412.30

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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.