Home / 238,007.21-357,069.91-118,120.43

Finding the Fourth Proportional to 238,007.21, 357,069.91 and 118,120.43

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Solution

The fourth proportional to 238,007.21, 357,069.91 and 118,120.43 is: 177,209.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,007.21 : 357,069.91 = 118,120.43 : x
  2. Step 2: Convert to fraction form
    238,007.21/357,069.91 = 118,120.43/x
  3. Step 3: Cross multiply
    238,007.21x = 357,069.91 × 118,120.43
  4. Step 4: Simplify right side
    238,007.21x = 42,177,251,309.26
  5. Step 5: Solve for x
    x = 42,177,251,309.26/238,007.21
  6. Step 6: Final answer
    x = 177,209.97

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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.