Home / 157,100.86-235,615.78-44,778.66

Finding the Fourth Proportional to 157,100.86, 235,615.78 and 44,778.66

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Solution

The fourth proportional to 157,100.86, 235,615.78 and 44,778.66 is: 67,157.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,100.86 : 235,615.78 = 44,778.66 : x
  2. Step 2: Convert to fraction form
    157,100.86/235,615.78 = 44,778.66/x
  3. Step 3: Cross multiply
    157,100.86x = 235,615.78 × 44,778.66
  4. Step 4: Simplify right side
    157,100.86x = 10,550,558,903.25
  5. Step 5: Solve for x
    x = 10,550,558,903.25/157,100.86
  6. Step 6: Final answer
    x = 67,157.87

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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.