Home / 115,661.28-173,584.53-111,970.80

Finding the Fourth Proportional to 115,661.28, 173,584.53 and 111,970.80

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Solution

The fourth proportional to 115,661.28, 173,584.53 and 111,970.80 is: 168,045.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,661.28 : 173,584.53 = 111,970.80 : x
  2. Step 2: Convert to fraction form
    115,661.28/173,584.53 = 111,970.80/x
  3. Step 3: Cross multiply
    115,661.28x = 173,584.53 × 111,970.80
  4. Step 4: Simplify right side
    115,661.28x = 19,436,398,691.72
  5. Step 5: Solve for x
    x = 19,436,398,691.72/115,661.28
  6. Step 6: Final answer
    x = 168,045.86

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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.