Home / 198,138.23-273,536.85-152,716.67

Finding the Fourth Proportional to 198,138.23, 273,536.85 and 152,716.67

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Solution

The fourth proportional to 198,138.23, 273,536.85 and 152,716.67 is: 210,830.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,138.23 : 273,536.85 = 152,716.67 : x
  2. Step 2: Convert to fraction form
    198,138.23/273,536.85 = 152,716.67/x
  3. Step 3: Cross multiply
    198,138.23x = 273,536.85 × 152,716.67
  4. Step 4: Simplify right side
    198,138.23x = 41,773,636,854.29
  5. Step 5: Solve for x
    x = 41,773,636,854.29/198,138.23
  6. Step 6: Final answer
    x = 210,830.78

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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.