Home / 147,058.70-220,588.03-102,771.95

Finding the Fourth Proportional to 147,058.70, 220,588.03 and 102,771.95

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Solution

The fourth proportional to 147,058.70, 220,588.03 and 102,771.95 is: 154,157.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,058.70 : 220,588.03 = 102,771.95 : x
  2. Step 2: Convert to fraction form
    147,058.70/220,588.03 = 102,771.95/x
  3. Step 3: Cross multiply
    147,058.70x = 220,588.03 × 102,771.95
  4. Step 4: Simplify right side
    147,058.70x = 22,670,261,015.28
  5. Step 5: Solve for x
    x = 22,670,261,015.28/147,058.70
  6. Step 6: Final answer
    x = 154,157.91

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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.