Home / 164,734.91-247,033.93-80,470.61

Finding the Fourth Proportional to 164,734.91, 247,033.93 and 80,470.61

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Solution

The fourth proportional to 164,734.91, 247,033.93 and 80,470.61 is: 120,672.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,734.91 : 247,033.93 = 80,470.61 : x
  2. Step 2: Convert to fraction form
    164,734.91/247,033.93 = 80,470.61/x
  3. Step 3: Cross multiply
    164,734.91x = 247,033.93 × 80,470.61
  4. Step 4: Simplify right side
    164,734.91x = 19,878,971,841.95
  5. Step 5: Solve for x
    x = 19,878,971,841.95/164,734.91
  6. Step 6: Final answer
    x = 120,672.49

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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.