Home / 238,853.08-358,221.90-70,327.54

Finding the Fourth Proportional to 238,853.08, 358,221.90 and 70,327.54

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Solution

The fourth proportional to 238,853.08, 358,221.90 and 70,327.54 is: 105,474.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,853.08 : 358,221.90 = 70,327.54 : x
  2. Step 2: Convert to fraction form
    238,853.08/358,221.90 = 70,327.54/x
  3. Step 3: Cross multiply
    238,853.08x = 358,221.90 × 70,327.54
  4. Step 4: Simplify right side
    238,853.08x = 25,192,865,001.13
  5. Step 5: Solve for x
    x = 25,192,865,001.13/238,853.08
  6. Step 6: Final answer
    x = 105,474.32

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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.