Home / 122,129.40-183,194.10-101,134.20

Finding the Fourth Proportional to 122,129.40, 183,194.10 and 101,134.20

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Solution

The fourth proportional to 122,129.40, 183,194.10 and 101,134.20 is: 151,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,129.40 : 183,194.10 = 101,134.20 : x
  2. Step 2: Convert to fraction form
    122,129.40/183,194.10 = 101,134.20/x
  3. Step 3: Cross multiply
    122,129.40x = 183,194.10 × 101,134.20
  4. Step 4: Simplify right side
    122,129.40x = 18,527,188,748.22
  5. Step 5: Solve for x
    x = 18,527,188,748.22/122,129.40
  6. Step 6: Final answer
    x = 151,701.30

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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.