Home / 154,692.68-232,142.70-99,327.56

Finding the Fourth Proportional to 154,692.68, 232,142.70 and 99,327.56

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Solution

The fourth proportional to 154,692.68, 232,142.70 and 99,327.56 is: 149,057.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,692.68 : 232,142.70 = 99,327.56 : x
  2. Step 2: Convert to fraction form
    154,692.68/232,142.70 = 99,327.56/x
  3. Step 3: Cross multiply
    154,692.68x = 232,142.70 × 99,327.56
  4. Step 4: Simplify right side
    154,692.68x = 23,058,167,962.81
  5. Step 5: Solve for x
    x = 23,058,167,962.81/154,692.68
  6. Step 6: Final answer
    x = 149,057.91

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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.