Home / 126,748.78-190,183.31-63,574.55

Finding the Fourth Proportional to 126,748.78, 190,183.31 and 63,574.55

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Solution

The fourth proportional to 126,748.78, 190,183.31 and 63,574.55 is: 95,391.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,748.78 : 190,183.31 = 63,574.55 : x
  2. Step 2: Convert to fraction form
    126,748.78/190,183.31 = 63,574.55/x
  3. Step 3: Cross multiply
    126,748.78x = 190,183.31 × 63,574.55
  4. Step 4: Simplify right side
    126,748.78x = 12,090,818,350.76
  5. Step 5: Solve for x
    x = 12,090,818,350.76/126,748.78
  6. Step 6: Final answer
    x = 95,391.99

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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.