Home / 146,169.78-201,607.80-111,792.16

Finding the Fourth Proportional to 146,169.78, 201,607.80 and 111,792.16

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Solution

The fourth proportional to 146,169.78, 201,607.80 and 111,792.16 is: 154,191.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,169.78 : 201,607.80 = 111,792.16 : x
  2. Step 2: Convert to fraction form
    146,169.78/201,607.80 = 111,792.16/x
  3. Step 3: Cross multiply
    146,169.78x = 201,607.80 × 111,792.16
  4. Step 4: Simplify right side
    146,169.78x = 22,538,171,434.85
  5. Step 5: Solve for x
    x = 22,538,171,434.85/146,169.78
  6. Step 6: Final answer
    x = 154,191.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.