Home / 136,211.20-204,316.80-62,339.20

Finding the Fourth Proportional to 136,211.20, 204,316.80 and 62,339.20

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Solution

The fourth proportional to 136,211.20, 204,316.80 and 62,339.20 is: 93,508.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,211.20 : 204,316.80 = 62,339.20 : x
  2. Step 2: Convert to fraction form
    136,211.20/204,316.80 = 62,339.20/x
  3. Step 3: Cross multiply
    136,211.20x = 204,316.80 × 62,339.20
  4. Step 4: Simplify right side
    136,211.20x = 12,736,945,858.56
  5. Step 5: Solve for x
    x = 12,736,945,858.56/136,211.20
  6. Step 6: Final answer
    x = 93,508.80

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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.