Home / 238,095.06-357,120.71-80,324.88

Finding the Fourth Proportional to 238,095.06, 357,120.71 and 80,324.88

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Solution

The fourth proportional to 238,095.06, 357,120.71 and 80,324.88 is: 120,479.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,095.06 : 357,120.71 = 80,324.88 : x
  2. Step 2: Convert to fraction form
    238,095.06/357,120.71 = 80,324.88/x
  3. Step 3: Cross multiply
    238,095.06x = 357,120.71 × 80,324.88
  4. Step 4: Simplify right side
    238,095.06x = 28,685,676,390.66
  5. Step 5: Solve for x
    x = 28,685,676,390.66/238,095.06
  6. Step 6: Final answer
    x = 120,479.93

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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.