Home / 147,163.95-220,877.15-68,322.60

Finding the Fourth Proportional to 147,163.95, 220,877.15 and 68,322.60

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Solution

The fourth proportional to 147,163.95, 220,877.15 and 68,322.60 is: 102,544.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,163.95 : 220,877.15 = 68,322.60 : x
  2. Step 2: Convert to fraction form
    147,163.95/220,877.15 = 68,322.60/x
  3. Step 3: Cross multiply
    147,163.95x = 220,877.15 × 68,322.60
  4. Step 4: Simplify right side
    147,163.95x = 15,090,900,826.98
  5. Step 5: Solve for x
    x = 15,090,900,826.98/147,163.95
  6. Step 6: Final answer
    x = 102,544.82

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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.