Home / 197,666.40-296,499.60-134,680.80

Finding the Fourth Proportional to 197,666.40, 296,499.60 and 134,680.80

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Solution

The fourth proportional to 197,666.40, 296,499.60 and 134,680.80 is: 202,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,666.40 : 296,499.60 = 134,680.80 : x
  2. Step 2: Convert to fraction form
    197,666.40/296,499.60 = 134,680.80/x
  3. Step 3: Cross multiply
    197,666.40x = 296,499.60 × 134,680.80
  4. Step 4: Simplify right side
    197,666.40x = 39,932,803,327.68
  5. Step 5: Solve for x
    x = 39,932,803,327.68/197,666.40
  6. Step 6: Final answer
    x = 202,021.20

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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.