Home / 146,144.16-218,923.92-67,150.08

Finding the Fourth Proportional to 146,144.16, 218,923.92 and 67,150.08

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Solution

The fourth proportional to 146,144.16, 218,923.92 and 67,150.08 is: 100,590.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,144.16 : 218,923.92 = 67,150.08 : x
  2. Step 2: Convert to fraction form
    146,144.16/218,923.92 = 67,150.08/x
  3. Step 3: Cross multiply
    146,144.16x = 218,923.92 × 67,150.08
  4. Step 4: Simplify right side
    146,144.16x = 14,700,758,741.91
  5. Step 5: Solve for x
    x = 14,700,758,741.91/146,144.16
  6. Step 6: Final answer
    x = 100,590.81

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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.