Home / 239,774.70-330,868.13-153,581.61

Finding the Fourth Proportional to 239,774.70, 330,868.13 and 153,581.61

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Solution

The fourth proportional to 239,774.70, 330,868.13 and 153,581.61 is: 211,929.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,774.70 : 330,868.13 = 153,581.61 : x
  2. Step 2: Convert to fraction form
    239,774.70/330,868.13 = 153,581.61/x
  3. Step 3: Cross multiply
    239,774.70x = 330,868.13 × 153,581.61
  4. Step 4: Simplify right side
    239,774.70x = 50,815,259,645.37
  5. Step 5: Solve for x
    x = 50,815,259,645.37/239,774.70
  6. Step 6: Final answer
    x = 211,929.20

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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.