Home / 119,353.13-164,704.02-65,638.14

Finding the Fourth Proportional to 119,353.13, 164,704.02 and 65,638.14

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Solution

The fourth proportional to 119,353.13, 164,704.02 and 65,638.14 is: 90,578.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,353.13 : 164,704.02 = 65,638.14 : x
  2. Step 2: Convert to fraction form
    119,353.13/164,704.02 = 65,638.14/x
  3. Step 3: Cross multiply
    119,353.13x = 164,704.02 × 65,638.14
  4. Step 4: Simplify right side
    119,353.13x = 10,810,865,523.32
  5. Step 5: Solve for x
    x = 10,810,865,523.32/119,353.13
  6. Step 6: Final answer
    x = 90,578.82

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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.