Home / 323,821.93-485,733.80-124,203.50

Finding the Fourth Proportional to 323,821.93, 485,733.80 and 124,203.50

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Solution

The fourth proportional to 323,821.93, 485,733.80 and 124,203.50 is: 186,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,821.93 : 485,733.80 = 124,203.50 : x
  2. Step 2: Convert to fraction form
    323,821.93/485,733.80 = 124,203.50/x
  3. Step 3: Cross multiply
    323,821.93x = 485,733.80 × 124,203.50
  4. Step 4: Simplify right side
    323,821.93x = 60,329,838,621.62
  5. Step 5: Solve for x
    x = 60,329,838,621.62/323,821.93
  6. Step 6: Final answer
    x = 186,305.60

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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.