Home / 165,565.76-248,325.30-53,231.69

Finding the Fourth Proportional to 165,565.76, 248,325.30 and 53,231.69

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Solution

The fourth proportional to 165,565.76, 248,325.30 and 53,231.69 is: 79,840.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,565.76 : 248,325.30 = 53,231.69 : x
  2. Step 2: Convert to fraction form
    165,565.76/248,325.30 = 53,231.69/x
  3. Step 3: Cross multiply
    165,565.76x = 248,325.30 × 53,231.69
  4. Step 4: Simplify right side
    165,565.76x = 13,218,776,009.57
  5. Step 5: Solve for x
    x = 13,218,776,009.57/165,565.76
  6. Step 6: Final answer
    x = 79,840.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.