Home / 217,641.28-300,102.40-141,059.56

Finding the Fourth Proportional to 217,641.28, 300,102.40 and 141,059.56

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Solution

The fourth proportional to 217,641.28, 300,102.40 and 141,059.56 is: 194,504.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,641.28 : 300,102.40 = 141,059.56 : x
  2. Step 2: Convert to fraction form
    217,641.28/300,102.40 = 141,059.56/x
  3. Step 3: Cross multiply
    217,641.28x = 300,102.40 × 141,059.56
  4. Step 4: Simplify right side
    217,641.28x = 42,332,312,498.94
  5. Step 5: Solve for x
    x = 42,332,312,498.94/217,641.28
  6. Step 6: Final answer
    x = 194,504.98

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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.