Home / 197,590.38-296,385.56-72,931.38

Finding the Fourth Proportional to 197,590.38, 296,385.56 and 72,931.38

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Solution

The fourth proportional to 197,590.38, 296,385.56 and 72,931.38 is: 109,397.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,590.38 : 296,385.56 = 72,931.38 : x
  2. Step 2: Convert to fraction form
    197,590.38/296,385.56 = 72,931.38/x
  3. Step 3: Cross multiply
    197,590.38x = 296,385.56 × 72,931.38
  4. Step 4: Simplify right side
    197,590.38x = 21,615,807,902.87
  5. Step 5: Solve for x
    x = 21,615,807,902.87/197,590.38
  6. Step 6: Final answer
    x = 109,397.07

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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.