Home / 198,741.36-298,001.34-103,733.76

Finding the Fourth Proportional to 198,741.36, 298,001.34 and 103,733.76

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Solution

The fourth proportional to 198,741.36, 298,001.34 and 103,733.76 is: 155,542.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,741.36 : 298,001.34 = 103,733.76 : x
  2. Step 2: Convert to fraction form
    198,741.36/298,001.34 = 103,733.76/x
  3. Step 3: Cross multiply
    198,741.36x = 298,001.34 × 103,733.76
  4. Step 4: Simplify right side
    198,741.36x = 30,912,799,483.24
  5. Step 5: Solve for x
    x = 30,912,799,483.24/198,741.36
  6. Step 6: Final answer
    x = 155,542.86

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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.