Home / 133,062.10-199,301.55-70,659.70

Finding the Fourth Proportional to 133,062.10, 199,301.55 and 70,659.70

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Solution

The fourth proportional to 133,062.10, 199,301.55 and 70,659.70 is: 105,834.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,062.10 : 199,301.55 = 70,659.70 : x
  2. Step 2: Convert to fraction form
    133,062.10/199,301.55 = 70,659.70/x
  3. Step 3: Cross multiply
    133,062.10x = 199,301.55 × 70,659.70
  4. Step 4: Simplify right side
    133,062.10x = 14,082,587,732.54
  5. Step 5: Solve for x
    x = 14,082,587,732.54/133,062.10
  6. Step 6: Final answer
    x = 105,834.70

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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.