Home / 197,513.46-296,204.40-85,123.50

Finding the Fourth Proportional to 197,513.46, 296,204.40 and 85,123.50

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Solution

The fourth proportional to 197,513.46, 296,204.40 and 85,123.50 is: 127,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,513.46 : 296,204.40 = 85,123.50 : x
  2. Step 2: Convert to fraction form
    197,513.46/296,204.40 = 85,123.50/x
  3. Step 3: Cross multiply
    197,513.46x = 296,204.40 × 85,123.50
  4. Step 4: Simplify right side
    197,513.46x = 25,213,955,243.40
  5. Step 5: Solve for x
    x = 25,213,955,243.40/197,513.46
  6. Step 6: Final answer
    x = 127,656.90

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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.