Home / 136,681.10-204,924.45-52,408.70

Finding the Fourth Proportional to 136,681.10, 204,924.45 and 52,408.70

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Solution

The fourth proportional to 136,681.10, 204,924.45 and 52,408.70 is: 78,575.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,681.10 : 204,924.45 = 52,408.70 : x
  2. Step 2: Convert to fraction form
    136,681.10/204,924.45 = 52,408.70/x
  3. Step 3: Cross multiply
    136,681.10x = 204,924.45 × 52,408.70
  4. Step 4: Simplify right side
    136,681.10x = 10,739,824,022.72
  5. Step 5: Solve for x
    x = 10,739,824,022.72/136,681.10
  6. Step 6: Final answer
    x = 78,575.78

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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.