Home / 134,901.48-202,352.10-40,131.28

Finding the Fourth Proportional to 134,901.48, 202,352.10 and 40,131.28

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Solution

The fourth proportional to 134,901.48, 202,352.10 and 40,131.28 is: 60,196.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,901.48 : 202,352.10 = 40,131.28 : x
  2. Step 2: Convert to fraction form
    134,901.48/202,352.10 = 40,131.28/x
  3. Step 3: Cross multiply
    134,901.48x = 202,352.10 × 40,131.28
  4. Step 4: Simplify right side
    134,901.48x = 8,120,648,783.69
  5. Step 5: Solve for x
    x = 8,120,648,783.69/134,901.48
  6. Step 6: Final answer
    x = 60,196.88

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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.