Home / 133,023.10-199,534.65-122,136.70

Finding the Fourth Proportional to 133,023.10, 199,534.65 and 122,136.70

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Solution

The fourth proportional to 133,023.10, 199,534.65 and 122,136.70 is: 183,205.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,023.10 : 199,534.65 = 122,136.70 : x
  2. Step 2: Convert to fraction form
    133,023.10/199,534.65 = 122,136.70/x
  3. Step 3: Cross multiply
    133,023.10x = 199,534.65 × 122,136.70
  4. Step 4: Simplify right side
    133,023.10x = 24,370,503,686.66
  5. Step 5: Solve for x
    x = 24,370,503,686.66/133,023.10
  6. Step 6: Final answer
    x = 183,205.05

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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.