Home / 165,728.43-248,547.24-45,756.68

Finding the Fourth Proportional to 165,728.43, 248,547.24 and 45,756.68

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Solution

The fourth proportional to 165,728.43, 248,547.24 and 45,756.68 is: 68,622.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,728.43 : 248,547.24 = 45,756.68 : x
  2. Step 2: Convert to fraction form
    165,728.43/248,547.24 = 45,756.68/x
  3. Step 3: Cross multiply
    165,728.43x = 248,547.24 × 45,756.68
  4. Step 4: Simplify right side
    165,728.43x = 11,372,695,282.83
  5. Step 5: Solve for x
    x = 11,372,695,282.83/165,728.43
  6. Step 6: Final answer
    x = 68,622.48

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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.