Home / 495,961.92-743,831.10-140,968.08

Finding the Fourth Proportional to 495,961.92, 743,831.10 and 140,968.08

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Solution

The fourth proportional to 495,961.92, 743,831.10 and 140,968.08 is: 211,420.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,961.92 : 743,831.10 = 140,968.08 : x
  2. Step 2: Convert to fraction form
    495,961.92/743,831.10 = 140,968.08/x
  3. Step 3: Cross multiply
    495,961.92x = 743,831.10 × 140,968.08
  4. Step 4: Simplify right side
    495,961.92x = 104,856,442,011.29
  5. Step 5: Solve for x
    x = 104,856,442,011.29/495,961.92
  6. Step 6: Final answer
    x = 211,420.35

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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.