Home / 97,269.26-145,780.86-52,178.78

Finding the Fourth Proportional to 97,269.26, 145,780.86 and 52,178.78

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Solution

The fourth proportional to 97,269.26, 145,780.86 and 52,178.78 is: 78,202.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,269.26 : 145,780.86 = 52,178.78 : x
  2. Step 2: Convert to fraction form
    97,269.26/145,780.86 = 52,178.78/x
  3. Step 3: Cross multiply
    97,269.26x = 145,780.86 × 52,178.78
  4. Step 4: Simplify right side
    97,269.26x = 7,606,667,982.27
  5. Step 5: Solve for x
    x = 7,606,667,982.27/97,269.26
  6. Step 6: Final answer
    x = 78,202.18

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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.