Home / 133,022.90-199,534.35-122,885.30

Finding the Fourth Proportional to 133,022.90, 199,534.35 and 122,885.30

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Solution

The fourth proportional to 133,022.90, 199,534.35 and 122,885.30 is: 184,327.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,022.90 : 199,534.35 = 122,885.30 : x
  2. Step 2: Convert to fraction form
    133,022.90/199,534.35 = 122,885.30/x
  3. Step 3: Cross multiply
    133,022.90x = 199,534.35 × 122,885.30
  4. Step 4: Simplify right side
    133,022.90x = 24,519,838,460.06
  5. Step 5: Solve for x
    x = 24,519,838,460.06/133,022.90
  6. Step 6: Final answer
    x = 184,327.95

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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.