Home / 148,742.12-223,137.79-48,880.26

Finding the Fourth Proportional to 148,742.12, 223,137.79 and 48,880.26

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Solution

The fourth proportional to 148,742.12, 223,137.79 and 48,880.26 is: 73,328.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,742.12 : 223,137.79 = 48,880.26 : x
  2. Step 2: Convert to fraction form
    148,742.12/223,137.79 = 48,880.26/x
  3. Step 3: Cross multiply
    148,742.12x = 223,137.79 × 48,880.26
  4. Step 4: Simplify right side
    148,742.12x = 10,907,033,068.82
  5. Step 5: Solve for x
    x = 10,907,033,068.82/148,742.12
  6. Step 6: Final answer
    x = 73,328.48

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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.