Home / 165,723.18-248,545.35-45,777.48

Finding the Fourth Proportional to 165,723.18, 248,545.35 and 45,777.48

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Solution

The fourth proportional to 165,723.18, 248,545.35 and 45,777.48 is: 68,655.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,723.18 : 248,545.35 = 45,777.48 : x
  2. Step 2: Convert to fraction form
    165,723.18/248,545.35 = 45,777.48/x
  3. Step 3: Cross multiply
    165,723.18x = 248,545.35 × 45,777.48
  4. Step 4: Simplify right side
    165,723.18x = 11,377,779,788.72
  5. Step 5: Solve for x
    x = 11,377,779,788.72/165,723.18
  6. Step 6: Final answer
    x = 68,655.33

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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.