Home / 495,711.32-743,565.42-140,725.58

Finding the Fourth Proportional to 495,711.32, 743,565.42 and 140,725.58

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Solution

The fourth proportional to 495,711.32, 743,565.42 and 140,725.58 is: 211,087.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,711.32 : 743,565.42 = 140,725.58 : x
  2. Step 2: Convert to fraction form
    495,711.32/743,565.42 = 140,725.58/x
  3. Step 3: Cross multiply
    495,711.32x = 743,565.42 × 140,725.58
  4. Step 4: Simplify right side
    495,711.32x = 104,638,674,997.44
  5. Step 5: Solve for x
    x = 104,638,674,997.44/495,711.32
  6. Step 6: Final answer
    x = 211,087.93

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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.