Home / 119,213.67-164,517.83-65,502.16

Finding the Fourth Proportional to 119,213.67, 164,517.83 and 65,502.16

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Solution

The fourth proportional to 119,213.67, 164,517.83 and 65,502.16 is: 90,394.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,213.67 : 164,517.83 = 65,502.16 : x
  2. Step 2: Convert to fraction form
    119,213.67/164,517.83 = 65,502.16/x
  3. Step 3: Cross multiply
    119,213.67x = 164,517.83 × 65,502.16
  4. Step 4: Simplify right side
    119,213.67x = 10,776,273,223.51
  5. Step 5: Solve for x
    x = 10,776,273,223.51/119,213.67
  6. Step 6: Final answer
    x = 90,394.61

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1.5x scale

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.