Home / 119,211.66-164,511.57-65,500.02

Finding the Fourth Proportional to 119,211.66, 164,511.57 and 65,500.02

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Solution

The fourth proportional to 119,211.66, 164,511.57 and 65,500.02 is: 90,389.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,211.66 : 164,511.57 = 65,500.02 : x
  2. Step 2: Convert to fraction form
    119,211.66/164,511.57 = 65,500.02/x
  3. Step 3: Cross multiply
    119,211.66x = 164,511.57 × 65,500.02
  4. Step 4: Simplify right side
    119,211.66x = 10,775,511,125.23
  5. Step 5: Solve for x
    x = 10,775,511,125.23/119,211.66
  6. Step 6: Final answer
    x = 90,389.74

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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.