Home / 107,174.60-147,815.62-68,938.54

Finding the Fourth Proportional to 107,174.60, 147,815.62 and 68,938.54

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Solution

The fourth proportional to 107,174.60, 147,815.62 and 68,938.54 is: 95,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,174.60 : 147,815.62 = 68,938.54 : x
  2. Step 2: Convert to fraction form
    107,174.60/147,815.62 = 68,938.54/x
  3. Step 3: Cross multiply
    107,174.60x = 147,815.62 × 68,938.54
  4. Step 4: Simplify right side
    107,174.60x = 10,190,193,031.99
  5. Step 5: Solve for x
    x = 10,190,193,031.99/107,174.60
  6. Step 6: Final answer
    x = 95,080.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.