Home / 119,335.86-164,687.76-65,625.03

Finding the Fourth Proportional to 119,335.86, 164,687.76 and 65,625.03

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Solution

The fourth proportional to 119,335.86, 164,687.76 and 65,625.03 is: 90,564.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,335.86 : 164,687.76 = 65,625.03 : x
  2. Step 2: Convert to fraction form
    119,335.86/164,687.76 = 65,625.03/x
  3. Step 3: Cross multiply
    119,335.86x = 164,687.76 × 65,625.03
  4. Step 4: Simplify right side
    119,335.86x = 10,807,639,190.63
  5. Step 5: Solve for x
    x = 10,807,639,190.63/119,335.86
  6. Step 6: Final answer
    x = 90,564.89

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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.