Home / 116,561.38-160,853.97-66,260.38

Finding the Fourth Proportional to 116,561.38, 160,853.97 and 66,260.38

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Solution

The fourth proportional to 116,561.38, 160,853.97 and 66,260.38 is: 91,438.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,561.38 : 160,853.97 = 66,260.38 : x
  2. Step 2: Convert to fraction form
    116,561.38/160,853.97 = 66,260.38/x
  3. Step 3: Cross multiply
    116,561.38x = 160,853.97 × 66,260.38
  4. Step 4: Simplify right side
    116,561.38x = 10,658,245,176.71
  5. Step 5: Solve for x
    x = 10,658,245,176.71/116,561.38
  6. Step 6: Final answer
    x = 91,438.91

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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.