Home / 134,730.45-202,040.07-45,991.11

Finding the Fourth Proportional to 134,730.45, 202,040.07 and 45,991.11

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Solution

The fourth proportional to 134,730.45, 202,040.07 and 45,991.11 is: 68,967.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,730.45 : 202,040.07 = 45,991.11 : x
  2. Step 2: Convert to fraction form
    134,730.45/202,040.07 = 45,991.11/x
  3. Step 3: Cross multiply
    134,730.45x = 202,040.07 × 45,991.11
  4. Step 4: Simplify right side
    134,730.45x = 9,292,047,083.78
  5. Step 5: Solve for x
    x = 9,292,047,083.78/134,730.45
  6. Step 6: Final answer
    x = 68,967.68

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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.