Home / 146,579.70-220,355.55-127,334.10

Finding the Fourth Proportional to 146,579.70, 220,355.55 and 127,334.10

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Solution

The fourth proportional to 146,579.70, 220,355.55 and 127,334.10 is: 191,423.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,579.70 : 220,355.55 = 127,334.10 : x
  2. Step 2: Convert to fraction form
    146,579.70/220,355.55 = 127,334.10/x
  3. Step 3: Cross multiply
    146,579.70x = 220,355.55 × 127,334.10
  4. Step 4: Simplify right side
    146,579.70x = 28,058,775,639.26
  5. Step 5: Solve for x
    x = 28,058,775,639.26/146,579.70
  6. Step 6: Final answer
    x = 191,423.34

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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.