Home / 238,511.04-357,864.42-126,161.20

Finding the Fourth Proportional to 238,511.04, 357,864.42 and 126,161.20

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Solution

The fourth proportional to 238,511.04, 357,864.42 and 126,161.20 is: 189,293.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,511.04 : 357,864.42 = 126,161.20 : x
  2. Step 2: Convert to fraction form
    238,511.04/357,864.42 = 126,161.20/x
  3. Step 3: Cross multiply
    238,511.04x = 357,864.42 × 126,161.20
  4. Step 4: Simplify right side
    238,511.04x = 45,148,604,664.50
  5. Step 5: Solve for x
    x = 45,148,604,664.50/238,511.04
  6. Step 6: Final answer
    x = 189,293.56

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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.