Home / 198,063.50-273,328.08-113,180.36

Finding the Fourth Proportional to 198,063.50, 273,328.08 and 113,180.36

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Solution

The fourth proportional to 198,063.50, 273,328.08 and 113,180.36 is: 156,189.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,063.50 : 273,328.08 = 113,180.36 : x
  2. Step 2: Convert to fraction form
    198,063.50/273,328.08 = 113,180.36/x
  3. Step 3: Cross multiply
    198,063.50x = 273,328.08 × 113,180.36
  4. Step 4: Simplify right side
    198,063.50x = 30,935,370,492.51
  5. Step 5: Solve for x
    x = 30,935,370,492.51/198,063.50
  6. Step 6: Final answer
    x = 156,189.15

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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.