Home / 119,384.46-164,755.35-71,620.38

Finding the Fourth Proportional to 119,384.46, 164,755.35 and 71,620.38

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Solution

The fourth proportional to 119,384.46, 164,755.35 and 71,620.38 is: 98,839.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,384.46 : 164,755.35 = 71,620.38 : x
  2. Step 2: Convert to fraction form
    119,384.46/164,755.35 = 71,620.38/x
  3. Step 3: Cross multiply
    119,384.46x = 164,755.35 × 71,620.38
  4. Step 4: Simplify right side
    119,384.46x = 11,799,840,774.03
  5. Step 5: Solve for x
    x = 11,799,840,774.03/119,384.46
  6. Step 6: Final answer
    x = 98,839.00

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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.