Home / 119,412.02-164,788.57-65,695.88

Finding the Fourth Proportional to 119,412.02, 164,788.57 and 65,695.88

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Solution

The fourth proportional to 119,412.02, 164,788.57 and 65,695.88 is: 90,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,412.02 : 164,788.57 = 65,695.88 : x
  2. Step 2: Convert to fraction form
    119,412.02/164,788.57 = 65,695.88/x
  3. Step 3: Cross multiply
    119,412.02x = 164,788.57 × 65,695.88
  4. Step 4: Simplify right side
    119,412.02x = 10,825,930,120.09
  5. Step 5: Solve for x
    x = 10,825,930,120.09/119,412.02
  6. Step 6: Final answer
    x = 90,660.30

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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.