Home / 340,535.28-469,938.68-197,378.36

Finding the Fourth Proportional to 340,535.28, 469,938.68 and 197,378.36

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Solution

The fourth proportional to 340,535.28, 469,938.68 and 197,378.36 is: 272,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,535.28 : 469,938.68 = 197,378.36 : x
  2. Step 2: Convert to fraction form
    340,535.28/469,938.68 = 197,378.36/x
  3. Step 3: Cross multiply
    340,535.28x = 469,938.68 × 197,378.36
  4. Step 4: Simplify right side
    340,535.28x = 92,755,725,958.96
  5. Step 5: Solve for x
    x = 92,755,725,958.96/340,535.28
  6. Step 6: Final answer
    x = 272,382.13

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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.