Home / 238,132.18-357,260.54-138,196.32

Finding the Fourth Proportional to 238,132.18, 357,260.54 and 138,196.32

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Solution

The fourth proportional to 238,132.18, 357,260.54 and 138,196.32 is: 207,330.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,132.18 : 357,260.54 = 138,196.32 : x
  2. Step 2: Convert to fraction form
    238,132.18/357,260.54 = 138,196.32/x
  3. Step 3: Cross multiply
    238,132.18x = 357,260.54 × 138,196.32
  4. Step 4: Simplify right side
    238,132.18x = 49,372,091,909.21
  5. Step 5: Solve for x
    x = 49,372,091,909.21/238,132.18
  6. Step 6: Final answer
    x = 207,330.62

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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.