Home / 117,180.04-161,711.22-66,883.72

Finding the Fourth Proportional to 117,180.04, 161,711.22 and 66,883.72

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Solution

The fourth proportional to 117,180.04, 161,711.22 and 66,883.72 is: 92,301.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,180.04 : 161,711.22 = 66,883.72 : x
  2. Step 2: Convert to fraction form
    117,180.04/161,711.22 = 66,883.72/x
  3. Step 3: Cross multiply
    117,180.04x = 161,711.22 × 66,883.72
  4. Step 4: Simplify right side
    117,180.04x = 10,815,847,959.34
  5. Step 5: Solve for x
    x = 10,815,847,959.34/117,180.04
  6. Step 6: Final answer
    x = 92,301.11

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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.