Home / 193,090.80-289,830.60-93,331.20

Finding the Fourth Proportional to 193,090.80, 289,830.60 and 93,331.20

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Solution

The fourth proportional to 193,090.80, 289,830.60 and 93,331.20 is: 140,090.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,090.80 : 289,830.60 = 93,331.20 : x
  2. Step 2: Convert to fraction form
    193,090.80/289,830.60 = 93,331.20/x
  3. Step 3: Cross multiply
    193,090.80x = 289,830.60 × 93,331.20
  4. Step 4: Simplify right side
    193,090.80x = 27,050,237,694.72
  5. Step 5: Solve for x
    x = 27,050,237,694.72/193,090.80
  6. Step 6: Final answer
    x = 140,090.76

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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.