Home / 197,760.81-272,834.61-146,201.70

Finding the Fourth Proportional to 197,760.81, 272,834.61 and 146,201.70

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Solution

The fourth proportional to 197,760.81, 272,834.61 and 146,201.70 is: 201,702.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,760.81 : 272,834.61 = 146,201.70 : x
  2. Step 2: Convert to fraction form
    197,760.81/272,834.61 = 146,201.70/x
  3. Step 3: Cross multiply
    197,760.81x = 272,834.61 × 146,201.70
  4. Step 4: Simplify right side
    197,760.81x = 39,888,883,800.84
  5. Step 5: Solve for x
    x = 39,888,883,800.84/197,760.81
  6. Step 6: Final answer
    x = 201,702.67

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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.