Home / 148,990.63-223,626.39-54,312.32

Finding the Fourth Proportional to 148,990.63, 223,626.39 and 54,312.32

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Solution

The fourth proportional to 148,990.63, 223,626.39 and 54,312.32 is: 81,519.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,990.63 : 223,626.39 = 54,312.32 : x
  2. Step 2: Convert to fraction form
    148,990.63/223,626.39 = 54,312.32/x
  3. Step 3: Cross multiply
    148,990.63x = 223,626.39 × 54,312.32
  4. Step 4: Simplify right side
    148,990.63x = 12,145,666,664.43
  5. Step 5: Solve for x
    x = 12,145,666,664.43/148,990.63
  6. Step 6: Final answer
    x = 81,519.67

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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.