Home / 197,695.72-272,821.39-107,051.69

Finding the Fourth Proportional to 197,695.72, 272,821.39 and 107,051.69

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Solution

The fourth proportional to 197,695.72, 272,821.39 and 107,051.69 is: 147,732.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,695.72 : 272,821.39 = 107,051.69 : x
  2. Step 2: Convert to fraction form
    197,695.72/272,821.39 = 107,051.69/x
  3. Step 3: Cross multiply
    197,695.72x = 272,821.39 × 107,051.69
  4. Step 4: Simplify right side
    197,695.72x = 29,205,991,282.07
  5. Step 5: Solve for x
    x = 29,205,991,282.07/197,695.72
  6. Step 6: Final answer
    x = 147,732.04

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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.