Home / 120,726.04-166,609.73-69,740.92

Finding the Fourth Proportional to 120,726.04, 166,609.73 and 69,740.92

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Solution

The fourth proportional to 120,726.04, 166,609.73 and 69,740.92 is: 96,246.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,726.04 : 166,609.73 = 69,740.92 : x
  2. Step 2: Convert to fraction form
    120,726.04/166,609.73 = 69,740.92/x
  3. Step 3: Cross multiply
    120,726.04x = 166,609.73 × 69,740.92
  4. Step 4: Simplify right side
    120,726.04x = 11,619,515,851.15
  5. Step 5: Solve for x
    x = 11,619,515,851.15/120,726.04
  6. Step 6: Final answer
    x = 96,246.97

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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.