Home / 148,138.53-222,152.67-53,343.06

Finding the Fourth Proportional to 148,138.53, 222,152.67 and 53,343.06

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Solution

The fourth proportional to 148,138.53, 222,152.67 and 53,343.06 is: 79,994.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,138.53 : 222,152.67 = 53,343.06 : x
  2. Step 2: Convert to fraction form
    148,138.53/222,152.67 = 53,343.06/x
  3. Step 3: Cross multiply
    148,138.53x = 222,152.67 × 53,343.06
  4. Step 4: Simplify right side
    148,138.53x = 11,850,303,204.97
  5. Step 5: Solve for x
    x = 11,850,303,204.97/148,138.53
  6. Step 6: Final answer
    x = 79,994.74

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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.