Home / 134,729.95-202,039.33-45,990.61

Finding the Fourth Proportional to 134,729.95, 202,039.33 and 45,990.61

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Solution

The fourth proportional to 134,729.95, 202,039.33 and 45,990.61 is: 68,966.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,729.95 : 202,039.33 = 45,990.61 : x
  2. Step 2: Convert to fraction form
    134,729.95/202,039.33 = 45,990.61/x
  3. Step 3: Cross multiply
    134,729.95x = 202,039.33 × 45,990.61
  4. Step 4: Simplify right side
    134,729.95x = 9,291,912,030.69
  5. Step 5: Solve for x
    x = 9,291,912,030.69/134,729.95
  6. Step 6: Final answer
    x = 68,966.94

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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.