Home / 215,846.30-323,769.45-163,358.30

Finding the Fourth Proportional to 215,846.30, 323,769.45 and 163,358.30

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Solution

The fourth proportional to 215,846.30, 323,769.45 and 163,358.30 is: 245,037.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,846.30 : 323,769.45 = 163,358.30 : x
  2. Step 2: Convert to fraction form
    215,846.30/323,769.45 = 163,358.30/x
  3. Step 3: Cross multiply
    215,846.30x = 323,769.45 × 163,358.30
  4. Step 4: Simplify right side
    215,846.30x = 52,890,426,943.94
  5. Step 5: Solve for x
    x = 52,890,426,943.94/215,846.30
  6. Step 6: Final answer
    x = 245,037.45

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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.