Home / 171,213.60-236,281.92-105,816.96

Finding the Fourth Proportional to 171,213.60, 236,281.92 and 105,816.96

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Solution

The fourth proportional to 171,213.60, 236,281.92 and 105,816.96 is: 146,031.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,213.60 : 236,281.92 = 105,816.96 : x
  2. Step 2: Convert to fraction form
    171,213.60/236,281.92 = 105,816.96/x
  3. Step 3: Cross multiply
    171,213.60x = 236,281.92 × 105,816.96
  4. Step 4: Simplify right side
    171,213.60x = 25,002,634,477.36
  5. Step 5: Solve for x
    x = 25,002,634,477.36/171,213.60
  6. Step 6: Final answer
    x = 146,031.83

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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.