Home / 157,650.36-217,449.18-93,939

Finding the Fourth Proportional to 157,650.36, 217,449.18 and 93,939

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Solution

The fourth proportional to 157,650.36, 217,449.18 and 93,939 is: 129,571.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,650.36 : 217,449.18 = 93,939 : x
  2. Step 2: Convert to fraction form
    157,650.36/217,449.18 = 93,939/x
  3. Step 3: Cross multiply
    157,650.36x = 217,449.18 × 93,939
  4. Step 4: Simplify right side
    157,650.36x = 20,426,958,520.02
  5. Step 5: Solve for x
    x = 20,426,958,520.02/157,650.36
  6. Step 6: Final answer
    x = 129,571.28

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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.