Home / 133,073.10-199,666.35-69,941.70

Finding the Fourth Proportional to 133,073.10, 199,666.35 and 69,941.70

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Solution

The fourth proportional to 133,073.10, 199,666.35 and 69,941.70 is: 104,942.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,073.10 : 199,666.35 = 69,941.70 : x
  2. Step 2: Convert to fraction form
    133,073.10/199,666.35 = 69,941.70/x
  3. Step 3: Cross multiply
    133,073.10x = 199,666.35 × 69,941.70
  4. Step 4: Simplify right side
    133,073.10x = 13,965,003,951.80
  5. Step 5: Solve for x
    x = 13,965,003,951.80/133,073.10
  6. Step 6: Final answer
    x = 104,942.35

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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.