Home / 146,965.80-220,218.30-127,151.40

Finding the Fourth Proportional to 146,965.80, 220,218.30 and 127,151.40

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Solution

The fourth proportional to 146,965.80, 220,218.30 and 127,151.40 is: 190,527.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,965.80 : 220,218.30 = 127,151.40 : x
  2. Step 2: Convert to fraction form
    146,965.80/220,218.30 = 127,151.40/x
  3. Step 3: Cross multiply
    146,965.80x = 220,218.30 × 127,151.40
  4. Step 4: Simplify right side
    146,965.80x = 28,001,065,150.62
  5. Step 5: Solve for x
    x = 28,001,065,150.62/146,965.80
  6. Step 6: Final answer
    x = 190,527.76

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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.