Home / 148,178.40-222,290.68-48,315.44

Finding the Fourth Proportional to 148,178.40, 222,290.68 and 48,315.44

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Solution

The fourth proportional to 148,178.40, 222,290.68 and 48,315.44 is: 72,480.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,178.40 : 222,290.68 = 48,315.44 : x
  2. Step 2: Convert to fraction form
    148,178.40/222,290.68 = 48,315.44/x
  3. Step 3: Cross multiply
    148,178.40x = 222,290.68 × 48,315.44
  4. Step 4: Simplify right side
    148,178.40x = 10,740,072,012.10
  5. Step 5: Solve for x
    x = 10,740,072,012.10/148,178.40
  6. Step 6: Final answer
    x = 72,480.69

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1.5x scale

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.