Home / 119,451.34-164,842.88-65,736.35

Finding the Fourth Proportional to 119,451.34, 164,842.88 and 65,736.35

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Solution

The fourth proportional to 119,451.34, 164,842.88 and 65,736.35 is: 90,716.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,451.34 : 164,842.88 = 65,736.35 : x
  2. Step 2: Convert to fraction form
    119,451.34/164,842.88 = 65,736.35/x
  3. Step 3: Cross multiply
    119,451.34x = 164,842.88 × 65,736.35
  4. Step 4: Simplify right side
    119,451.34x = 10,836,169,647.19
  5. Step 5: Solve for x
    x = 10,836,169,647.19/119,451.34
  6. Step 6: Final answer
    x = 90,716.18

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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.