Home / 165,597.72-248,320.44-53,257.20

Finding the Fourth Proportional to 165,597.72, 248,320.44 and 53,257.20

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Solution

The fourth proportional to 165,597.72, 248,320.44 and 53,257.20 is: 79,861.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,597.72 : 248,320.44 = 53,257.20 : x
  2. Step 2: Convert to fraction form
    165,597.72/248,320.44 = 53,257.20/x
  3. Step 3: Cross multiply
    165,597.72x = 248,320.44 × 53,257.20
  4. Step 4: Simplify right side
    165,597.72x = 13,224,851,337.17
  5. Step 5: Solve for x
    x = 13,224,851,337.17/165,597.72
  6. Step 6: Final answer
    x = 79,861.31

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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.