Home / 122,109.40-183,164.10-101,114.20

Finding the Fourth Proportional to 122,109.40, 183,164.10 and 101,114.20

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Solution

The fourth proportional to 122,109.40, 183,164.10 and 101,114.20 is: 151,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,109.40 : 183,164.10 = 101,114.20 : x
  2. Step 2: Convert to fraction form
    122,109.40/183,164.10 = 101,114.20/x
  3. Step 3: Cross multiply
    122,109.40x = 183,164.10 × 101,114.20
  4. Step 4: Simplify right side
    122,109.40x = 18,520,491,440.22
  5. Step 5: Solve for x
    x = 18,520,491,440.22/122,109.40
  6. Step 6: Final answer
    x = 151,671.30

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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.