Home / 165,649.20-248,475.96-47,324.40

Finding the Fourth Proportional to 165,649.20, 248,475.96 and 47,324.40

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Solution

The fourth proportional to 165,649.20, 248,475.96 and 47,324.40 is: 70,987.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,649.20 : 248,475.96 = 47,324.40 : x
  2. Step 2: Convert to fraction form
    165,649.20/248,475.96 = 47,324.40/x
  3. Step 3: Cross multiply
    165,649.20x = 248,475.96 × 47,324.40
  4. Step 4: Simplify right side
    165,649.20x = 11,758,975,721.42
  5. Step 5: Solve for x
    x = 11,758,975,721.42/165,649.20
  6. Step 6: Final answer
    x = 70,987.22

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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.