Home / 495,726.75-743,588.30-140,740.81

Finding the Fourth Proportional to 495,726.75, 743,588.30 and 140,740.81

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Solution

The fourth proportional to 495,726.75, 743,588.30 and 140,740.81 is: 211,110.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,726.75 : 743,588.30 = 140,740.81 : x
  2. Step 2: Convert to fraction form
    495,726.75/743,588.30 = 140,740.81/x
  3. Step 3: Cross multiply
    495,726.75x = 743,588.30 × 140,740.81
  4. Step 4: Simplify right side
    495,726.75x = 104,653,218,141.40
  5. Step 5: Solve for x
    x = 104,653,218,141.40/495,726.75
  6. Step 6: Final answer
    x = 211,110.69

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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.