Home / 146,867.80-220,301.70-127,622.20

Finding the Fourth Proportional to 146,867.80, 220,301.70 and 127,622.20

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Solution

The fourth proportional to 146,867.80, 220,301.70 and 127,622.20 is: 191,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,867.80 : 220,301.70 = 127,622.20 : x
  2. Step 2: Convert to fraction form
    146,867.80/220,301.70 = 127,622.20/x
  3. Step 3: Cross multiply
    146,867.80x = 220,301.70 × 127,622.20
  4. Step 4: Simplify right side
    146,867.80x = 28,115,387,617.74
  5. Step 5: Solve for x
    x = 28,115,387,617.74/146,867.80
  6. Step 6: Final answer
    x = 191,433.30

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1.5x scale

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.