Home / 113,865.39-170,683.78-38,934.29

Finding the Fourth Proportional to 113,865.39, 170,683.78 and 38,934.29

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Solution

The fourth proportional to 113,865.39, 170,683.78 and 38,934.29 is: 58,362.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,865.39 : 170,683.78 = 38,934.29 : x
  2. Step 2: Convert to fraction form
    113,865.39/170,683.78 = 38,934.29/x
  3. Step 3: Cross multiply
    113,865.39x = 170,683.78 × 38,934.29
  4. Step 4: Simplify right side
    113,865.39x = 6,645,450,935.40
  5. Step 5: Solve for x
    x = 6,645,450,935.40/113,865.39
  6. Step 6: Final answer
    x = 58,362.35

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1.5x scale

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.