Home / 148,071.96-222,041.16-73,162.88

Finding the Fourth Proportional to 148,071.96, 222,041.16 and 73,162.88

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Solution

The fourth proportional to 148,071.96, 222,041.16 and 73,162.88 is: 109,711.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,071.96 : 222,041.16 = 73,162.88 : x
  2. Step 2: Convert to fraction form
    148,071.96/222,041.16 = 73,162.88/x
  3. Step 3: Cross multiply
    148,071.96x = 222,041.16 × 73,162.88
  4. Step 4: Simplify right side
    148,071.96x = 16,245,170,744.14
  5. Step 5: Solve for x
    x = 16,245,170,744.14/148,071.96
  6. Step 6: Final answer
    x = 109,711.32

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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.