Home / 222,780.24-334,336.40-89,661.60

Finding the Fourth Proportional to 222,780.24, 334,336.40 and 89,661.60

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Solution

The fourth proportional to 222,780.24, 334,336.40 and 89,661.60 is: 134,559.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,780.24 : 334,336.40 = 89,661.60 : x
  2. Step 2: Convert to fraction form
    222,780.24/334,336.40 = 89,661.60/x
  3. Step 3: Cross multiply
    222,780.24x = 334,336.40 × 89,661.60
  4. Step 4: Simplify right side
    222,780.24x = 29,977,136,562.24
  5. Step 5: Solve for x
    x = 29,977,136,562.24/222,780.24
  6. Step 6: Final answer
    x = 134,559.23

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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.