Home / 119,343.30-164,694.94-65,628.70

Finding the Fourth Proportional to 119,343.30, 164,694.94 and 65,628.70

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Solution

The fourth proportional to 119,343.30, 164,694.94 and 65,628.70 is: 90,568.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,343.30 : 164,694.94 = 65,628.70 : x
  2. Step 2: Convert to fraction form
    119,343.30/164,694.94 = 65,628.70/x
  3. Step 3: Cross multiply
    119,343.30x = 164,694.94 × 65,628.70
  4. Step 4: Simplify right side
    119,343.30x = 10,808,714,808.78
  5. Step 5: Solve for x
    x = 10,808,714,808.78/119,343.30
  6. Step 6: Final answer
    x = 90,568.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.