Home / 148,962.45-205,370.67-123,374.55

Finding the Fourth Proportional to 148,962.45, 205,370.67 and 123,374.55

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Solution

The fourth proportional to 148,962.45, 205,370.67 and 123,374.55 is: 170,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,962.45 : 205,370.67 = 123,374.55 : x
  2. Step 2: Convert to fraction form
    148,962.45/205,370.67 = 123,374.55/x
  3. Step 3: Cross multiply
    148,962.45x = 205,370.67 × 123,374.55
  4. Step 4: Simplify right side
    148,962.45x = 25,337,513,994.45
  5. Step 5: Solve for x
    x = 25,337,513,994.45/148,962.45
  6. Step 6: Final answer
    x = 170,093.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.