Home / 119,288.23-164,619.80-65,575.51

Finding the Fourth Proportional to 119,288.23, 164,619.80 and 65,575.51

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Solution

The fourth proportional to 119,288.23, 164,619.80 and 65,575.51 is: 90,495.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,288.23 : 164,619.80 = 65,575.51 : x
  2. Step 2: Convert to fraction form
    119,288.23/164,619.80 = 65,575.51/x
  3. Step 3: Cross multiply
    119,288.23x = 164,619.80 × 65,575.51
  4. Step 4: Simplify right side
    119,288.23x = 10,795,027,341.10
  5. Step 5: Solve for x
    x = 10,795,027,341.10/119,288.23
  6. Step 6: Final answer
    x = 90,495.33

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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.