Home / 148,970.33-223,156.32-68,896.06

Finding the Fourth Proportional to 148,970.33, 223,156.32 and 68,896.06

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Solution

The fourth proportional to 148,970.33, 223,156.32 and 68,896.06 is: 103,205.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,970.33 : 223,156.32 = 68,896.06 : x
  2. Step 2: Convert to fraction form
    148,970.33/223,156.32 = 68,896.06/x
  3. Step 3: Cross multiply
    148,970.33x = 223,156.32 × 68,896.06
  4. Step 4: Simplify right side
    148,970.33x = 15,374,590,867.62
  5. Step 5: Solve for x
    x = 15,374,590,867.62/148,970.33
  6. Step 6: Final answer
    x = 103,205.72

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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.