Home / 148,671.16-222,834.90-68,541.72

Finding the Fourth Proportional to 148,671.16, 222,834.90 and 68,541.72

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Solution

The fourth proportional to 148,671.16, 222,834.90 and 68,541.72 is: 102,733.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,671.16 : 222,834.90 = 68,541.72 : x
  2. Step 2: Convert to fraction form
    148,671.16/222,834.90 = 68,541.72/x
  3. Step 3: Cross multiply
    148,671.16x = 222,834.90 × 68,541.72
  4. Step 4: Simplify right side
    148,671.16x = 15,273,487,322.03
  5. Step 5: Solve for x
    x = 15,273,487,322.03/148,671.16
  6. Step 6: Final answer
    x = 102,733.36

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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.