Home / 495,831.40-743,747.10-163,364.20

Finding the Fourth Proportional to 495,831.40, 743,747.10 and 163,364.20

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Solution

The fourth proportional to 495,831.40, 743,747.10 and 163,364.20 is: 245,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,831.40 : 743,747.10 = 163,364.20 : x
  2. Step 2: Convert to fraction form
    495,831.40/743,747.10 = 163,364.20/x
  3. Step 3: Cross multiply
    495,831.40x = 743,747.10 × 163,364.20
  4. Step 4: Simplify right side
    495,831.40x = 121,501,649,993.82
  5. Step 5: Solve for x
    x = 121,501,649,993.82/495,831.40
  6. Step 6: Final answer
    x = 245,046.30

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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.