Home / 250,624.13-345,785.72-153,728.41

Finding the Fourth Proportional to 250,624.13, 345,785.72 and 153,728.41

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Solution

The fourth proportional to 250,624.13, 345,785.72 and 153,728.41 is: 212,098.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,624.13 : 345,785.72 = 153,728.41 : x
  2. Step 2: Convert to fraction form
    250,624.13/345,785.72 = 153,728.41/x
  3. Step 3: Cross multiply
    250,624.13x = 345,785.72 × 153,728.41
  4. Step 4: Simplify right side
    250,624.13x = 53,157,086,438.73
  5. Step 5: Solve for x
    x = 53,157,086,438.73/250,624.13
  6. Step 6: Final answer
    x = 212,098.84

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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.