Home / 136,106.79-204,201.66-69,593.61

Finding the Fourth Proportional to 136,106.79, 204,201.66 and 69,593.61

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Solution

The fourth proportional to 136,106.79, 204,201.66 and 69,593.61 is: 104,411.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,106.79 : 204,201.66 = 69,593.61 : x
  2. Step 2: Convert to fraction form
    136,106.79/204,201.66 = 69,593.61/x
  3. Step 3: Cross multiply
    136,106.79x = 204,201.66 × 69,593.61
  4. Step 4: Simplify right side
    136,106.79x = 14,211,130,687.39
  5. Step 5: Solve for x
    x = 14,211,130,687.39/136,106.79
  6. Step 6: Final answer
    x = 104,411.62

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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.