Home / 118,970.83-164,176.92-65,255.38

Finding the Fourth Proportional to 118,970.83, 164,176.92 and 65,255.38

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Solution

The fourth proportional to 118,970.83, 164,176.92 and 65,255.38 is: 90,050.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,970.83 : 164,176.92 = 65,255.38 : x
  2. Step 2: Convert to fraction form
    118,970.83/164,176.92 = 65,255.38/x
  3. Step 3: Cross multiply
    118,970.83x = 164,176.92 × 65,255.38
  4. Step 4: Simplify right side
    118,970.83x = 10,713,427,301.83
  5. Step 5: Solve for x
    x = 10,713,427,301.83/118,970.83
  6. Step 6: Final answer
    x = 90,050.87

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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.