Home / 119,468.07-164,867.09-65,754.31

Finding the Fourth Proportional to 119,468.07, 164,867.09 and 65,754.31

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Solution

The fourth proportional to 119,468.07, 164,867.09 and 65,754.31 is: 90,741.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,468.07 : 164,867.09 = 65,754.31 : x
  2. Step 2: Convert to fraction form
    119,468.07/164,867.09 = 65,754.31/x
  3. Step 3: Cross multiply
    119,468.07x = 164,867.09 × 65,754.31
  4. Step 4: Simplify right side
    119,468.07x = 10,840,721,744.66
  5. Step 5: Solve for x
    x = 10,840,721,744.66/119,468.07
  6. Step 6: Final answer
    x = 90,741.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.