Home / 265,972.04-398,733.51-123,743.88

Finding the Fourth Proportional to 265,972.04, 398,733.51 and 123,743.88

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Solution

The fourth proportional to 265,972.04, 398,733.51 and 123,743.88 is: 185,511.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,972.04 : 398,733.51 = 123,743.88 : x
  2. Step 2: Convert to fraction form
    265,972.04/398,733.51 = 123,743.88/x
  3. Step 3: Cross multiply
    265,972.04x = 398,733.51 × 123,743.88
  4. Step 4: Simplify right side
    265,972.04x = 49,340,831,613.42
  5. Step 5: Solve for x
    x = 49,340,831,613.42/265,972.04
  6. Step 6: Final answer
    x = 185,511.35

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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.