Home / 135,947.03-203,941.29-69,350.83

Finding the Fourth Proportional to 135,947.03, 203,941.29 and 69,350.83

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Solution

The fourth proportional to 135,947.03, 203,941.29 and 69,350.83 is: 104,036.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,947.03 : 203,941.29 = 69,350.83 : x
  2. Step 2: Convert to fraction form
    135,947.03/203,941.29 = 69,350.83/x
  3. Step 3: Cross multiply
    135,947.03x = 203,941.29 × 69,350.83
  4. Step 4: Simplify right side
    135,947.03x = 14,143,497,482.98
  5. Step 5: Solve for x
    x = 14,143,497,482.98/135,947.03
  6. Step 6: Final answer
    x = 104,036.82

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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.