Home / 169,520.78-234,181.68-135,484.58

Finding the Fourth Proportional to 169,520.78, 234,181.68 and 135,484.58

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Solution

The fourth proportional to 169,520.78, 234,181.68 and 135,484.58 is: 187,162.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,520.78 : 234,181.68 = 135,484.58 : x
  2. Step 2: Convert to fraction form
    169,520.78/234,181.68 = 135,484.58/x
  3. Step 3: Cross multiply
    169,520.78x = 234,181.68 × 135,484.58
  4. Step 4: Simplify right side
    169,520.78x = 31,728,006,558.49
  5. Step 5: Solve for x
    x = 31,728,006,558.49/169,520.78
  6. Step 6: Final answer
    x = 187,162.93

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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.