Home / 495,646.38-743,497.65-140,632.38

Finding the Fourth Proportional to 495,646.38, 743,497.65 and 140,632.38

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Solution

The fourth proportional to 495,646.38, 743,497.65 and 140,632.38 is: 210,956.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,646.38 : 743,497.65 = 140,632.38 : x
  2. Step 2: Convert to fraction form
    495,646.38/743,497.65 = 140,632.38/x
  3. Step 3: Cross multiply
    495,646.38x = 743,497.65 × 140,632.38
  4. Step 4: Simplify right side
    495,646.38x = 104,559,844,043.91
  5. Step 5: Solve for x
    x = 104,559,844,043.91/495,646.38
  6. Step 6: Final answer
    x = 210,956.54

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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.