Home / 136,435.87-204,275.94-69,732.37

Finding the Fourth Proportional to 136,435.87, 204,275.94 and 69,732.37

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Solution

The fourth proportional to 136,435.87, 204,275.94 and 69,732.37 is: 104,405.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,435.87 : 204,275.94 = 69,732.37 : x
  2. Step 2: Convert to fraction form
    136,435.87/204,275.94 = 69,732.37/x
  3. Step 3: Cross multiply
    136,435.87x = 204,275.94 × 69,732.37
  4. Step 4: Simplify right side
    136,435.87x = 14,244,645,430.18
  5. Step 5: Solve for x
    x = 14,244,645,430.18/136,435.87
  6. Step 6: Final answer
    x = 104,405.43

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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.