Home / 117,222.45-161,766.75-63,508.83

Finding the Fourth Proportional to 117,222.45, 161,766.75 and 63,508.83

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Solution

The fourth proportional to 117,222.45, 161,766.75 and 63,508.83 is: 87,642.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,222.45 : 161,766.75 = 63,508.83 : x
  2. Step 2: Convert to fraction form
    117,222.45/161,766.75 = 63,508.83/x
  3. Step 3: Cross multiply
    117,222.45x = 161,766.75 × 63,508.83
  4. Step 4: Simplify right side
    117,222.45x = 10,273,617,025.40
  5. Step 5: Solve for x
    x = 10,273,617,025.40/117,222.45
  6. Step 6: Final answer
    x = 87,642.06

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1.5x scale

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.