Home / 148,878.72-223,320.96-69,949.44

Finding the Fourth Proportional to 148,878.72, 223,320.96 and 69,949.44

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Solution

The fourth proportional to 148,878.72, 223,320.96 and 69,949.44 is: 104,925.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,878.72 : 223,320.96 = 69,949.44 : x
  2. Step 2: Convert to fraction form
    148,878.72/223,320.96 = 69,949.44/x
  3. Step 3: Cross multiply
    148,878.72x = 223,320.96 × 69,949.44
  4. Step 4: Simplify right side
    148,878.72x = 15,621,176,092.26
  5. Step 5: Solve for x
    x = 15,621,176,092.26/148,878.72
  6. Step 6: Final answer
    x = 104,925.51

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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.