Home / 240,964.76-332,525.70-138,990.42

Finding the Fourth Proportional to 240,964.76, 332,525.70 and 138,990.42

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Solution

The fourth proportional to 240,964.76, 332,525.70 and 138,990.42 is: 191,803.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,964.76 : 332,525.70 = 138,990.42 : x
  2. Step 2: Convert to fraction form
    240,964.76/332,525.70 = 138,990.42/x
  3. Step 3: Cross multiply
    240,964.76x = 332,525.70 × 138,990.42
  4. Step 4: Simplify right side
    240,964.76x = 46,217,886,703.79
  5. Step 5: Solve for x
    x = 46,217,886,703.79/240,964.76
  6. Step 6: Final answer
    x = 191,803.51

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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.