Home / 119,708.43-165,196.31-68,722.38

Finding the Fourth Proportional to 119,708.43, 165,196.31 and 68,722.38

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Solution

The fourth proportional to 119,708.43, 165,196.31 and 68,722.38 is: 94,836.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,708.43 : 165,196.31 = 68,722.38 : x
  2. Step 2: Convert to fraction form
    119,708.43/165,196.31 = 68,722.38/x
  3. Step 3: Cross multiply
    119,708.43x = 165,196.31 × 68,722.38
  4. Step 4: Simplify right side
    119,708.43x = 11,352,683,246.81
  5. Step 5: Solve for x
    x = 11,352,683,246.81/119,708.43
  6. Step 6: Final answer
    x = 94,836.12

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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.