Home / 165,722.18-248,543.85-45,776.48

Finding the Fourth Proportional to 165,722.18, 248,543.85 and 45,776.48

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Solution

The fourth proportional to 165,722.18, 248,543.85 and 45,776.48 is: 68,653.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,722.18 : 248,543.85 = 45,776.48 : x
  2. Step 2: Convert to fraction form
    165,722.18/248,543.85 = 45,776.48/x
  3. Step 3: Cross multiply
    165,722.18x = 248,543.85 × 45,776.48
  4. Step 4: Simplify right side
    165,722.18x = 11,377,461,335.93
  5. Step 5: Solve for x
    x = 11,377,461,335.93/165,722.18
  6. Step 6: Final answer
    x = 68,653.82

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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.