Home / 153,704.97-212,150.89-104,727.62

Finding the Fourth Proportional to 153,704.97, 212,150.89 and 104,727.62

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Solution

The fourth proportional to 153,704.97, 212,150.89 and 104,727.62 is: 144,550.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,704.97 : 212,150.89 = 104,727.62 : x
  2. Step 2: Convert to fraction form
    153,704.97/212,150.89 = 104,727.62/x
  3. Step 3: Cross multiply
    153,704.97x = 212,150.89 × 104,727.62
  4. Step 4: Simplify right side
    153,704.97x = 22,218,057,790.58
  5. Step 5: Solve for x
    x = 22,218,057,790.58/153,704.97
  6. Step 6: Final answer
    x = 144,550.03

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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.