Home / 495,476.20-743,242.56-140,462.31

Finding the Fourth Proportional to 495,476.20, 743,242.56 and 140,462.31

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Solution

The fourth proportional to 495,476.20, 743,242.56 and 140,462.31 is: 210,701.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,476.20 : 743,242.56 = 140,462.31 : x
  2. Step 2: Convert to fraction form
    495,476.20/743,242.56 = 140,462.31/x
  3. Step 3: Cross multiply
    495,476.20x = 743,242.56 × 140,462.31
  4. Step 4: Simplify right side
    495,476.20x = 104,397,566,867.91
  5. Step 5: Solve for x
    x = 104,397,566,867.91/495,476.20
  6. Step 6: Final answer
    x = 210,701.48

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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.