Home / 165,712.12-248,577.30-53,384.20

Finding the Fourth Proportional to 165,712.12, 248,577.30 and 53,384.20

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Solution

The fourth proportional to 165,712.12, 248,577.30 and 53,384.20 is: 80,079.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,712.12 : 248,577.30 = 53,384.20 : x
  2. Step 2: Convert to fraction form
    165,712.12/248,577.30 = 53,384.20/x
  3. Step 3: Cross multiply
    165,712.12x = 248,577.30 × 53,384.20
  4. Step 4: Simplify right side
    165,712.12x = 13,270,100,298.66
  5. Step 5: Solve for x
    x = 13,270,100,298.66/165,712.12
  6. Step 6: Final answer
    x = 80,079.24

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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.