Home / 165,869.12-248,656.29-64,643.72

Finding the Fourth Proportional to 165,869.12, 248,656.29 and 64,643.72

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Solution

The fourth proportional to 165,869.12, 248,656.29 and 64,643.72 is: 96,908.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,869.12 : 248,656.29 = 64,643.72 : x
  2. Step 2: Convert to fraction form
    165,869.12/248,656.29 = 64,643.72/x
  3. Step 3: Cross multiply
    165,869.12x = 248,656.29 × 64,643.72
  4. Step 4: Simplify right side
    165,869.12x = 16,074,067,587.00
  5. Step 5: Solve for x
    x = 16,074,067,587.00/165,869.12
  6. Step 6: Final answer
    x = 96,908.14

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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.