Home / 120,282.96-166,002.76-69,297.36

Finding the Fourth Proportional to 120,282.96, 166,002.76 and 69,297.36

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Solution

The fourth proportional to 120,282.96, 166,002.76 and 69,297.36 is: 95,637.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,282.96 : 166,002.76 = 69,297.36 : x
  2. Step 2: Convert to fraction form
    120,282.96/166,002.76 = 69,297.36/x
  3. Step 3: Cross multiply
    120,282.96x = 166,002.76 × 69,297.36
  4. Step 4: Simplify right side
    120,282.96x = 11,503,553,020.71
  5. Step 5: Solve for x
    x = 11,503,553,020.71/120,282.96
  6. Step 6: Final answer
    x = 95,637.43

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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.