Home / 122,166.70-183,250.05-92,642.20

Finding the Fourth Proportional to 122,166.70, 183,250.05 and 92,642.20

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Solution

The fourth proportional to 122,166.70, 183,250.05 and 92,642.20 is: 138,963.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,166.70 : 183,250.05 = 92,642.20 : x
  2. Step 2: Convert to fraction form
    122,166.70/183,250.05 = 92,642.20/x
  3. Step 3: Cross multiply
    122,166.70x = 183,250.05 × 92,642.20
  4. Step 4: Simplify right side
    122,166.70x = 16,976,687,782.11
  5. Step 5: Solve for x
    x = 16,976,687,782.11/122,166.70
  6. Step 6: Final answer
    x = 138,963.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.