Home / 171,112.24-236,143.88-103,150.80

Finding the Fourth Proportional to 171,112.24, 236,143.88 and 103,150.80

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Solution

The fourth proportional to 171,112.24, 236,143.88 and 103,150.80 is: 142,353.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,112.24 : 236,143.88 = 103,150.80 : x
  2. Step 2: Convert to fraction form
    171,112.24/236,143.88 = 103,150.80/x
  3. Step 3: Cross multiply
    171,112.24x = 236,143.88 × 103,150.80
  4. Step 4: Simplify right side
    171,112.24x = 24,358,430,137.10
  5. Step 5: Solve for x
    x = 24,358,430,137.10/171,112.24
  6. Step 6: Final answer
    x = 142,353.52

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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.