Home / 169,455.78-233,751.83-105,682.86

Finding the Fourth Proportional to 169,455.78, 233,751.83 and 105,682.86

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Solution

The fourth proportional to 169,455.78, 233,751.83 and 105,682.86 is: 145,781.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,455.78 : 233,751.83 = 105,682.86 : x
  2. Step 2: Convert to fraction form
    169,455.78/233,751.83 = 105,682.86/x
  3. Step 3: Cross multiply
    169,455.78x = 233,751.83 × 105,682.86
  4. Step 4: Simplify right side
    169,455.78x = 24,703,561,396.22
  5. Step 5: Solve for x
    x = 24,703,561,396.22/169,455.78
  6. Step 6: Final answer
    x = 145,781.76

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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.