Home / 146,109.40-219,423.30-112,910.20

Finding the Fourth Proportional to 146,109.40, 219,423.30 and 112,910.20

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Solution

The fourth proportional to 146,109.40, 219,423.30 and 112,910.20 is: 169,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,109.40 : 219,423.30 = 112,910.20 : x
  2. Step 2: Convert to fraction form
    146,109.40/219,423.30 = 112,910.20/x
  3. Step 3: Cross multiply
    146,109.40x = 219,423.30 × 112,910.20
  4. Step 4: Simplify right side
    146,109.40x = 24,775,128,687.66
  5. Step 5: Solve for x
    x = 24,775,128,687.66/146,109.40
  6. Step 6: Final answer
    x = 169,565.60

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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.