Home / 148,458.49-222,684.59-36,139.30

Finding the Fourth Proportional to 148,458.49, 222,684.59 and 36,139.30

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Solution

The fourth proportional to 148,458.49, 222,684.59 and 36,139.30 is: 54,208.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,458.49 : 222,684.59 = 36,139.30 : x
  2. Step 2: Convert to fraction form
    148,458.49/222,684.59 = 36,139.30/x
  3. Step 3: Cross multiply
    148,458.49x = 222,684.59 × 36,139.30
  4. Step 4: Simplify right side
    148,458.49x = 8,047,664,737.02
  5. Step 5: Solve for x
    x = 8,047,664,737.02/148,458.49
  6. Step 6: Final answer
    x = 54,208.18

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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.