Home / 119,353.11-164,704.01-65,638.13

Finding the Fourth Proportional to 119,353.11, 164,704.01 and 65,638.13

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Solution

The fourth proportional to 119,353.11, 164,704.01 and 65,638.13 is: 90,578.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,353.11 : 164,704.01 = 65,638.13 : x
  2. Step 2: Convert to fraction form
    119,353.11/164,704.01 = 65,638.13/x
  3. Step 3: Cross multiply
    119,353.11x = 164,704.01 × 65,638.13
  4. Step 4: Simplify right side
    119,353.11x = 10,810,862,437.41
  5. Step 5: Solve for x
    x = 10,810,862,437.41/119,353.11
  6. Step 6: Final answer
    x = 90,578.80

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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.