Home / 217,852.20-326,535.30-84,688.20

Finding the Fourth Proportional to 217,852.20, 326,535.30 and 84,688.20

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Solution

The fourth proportional to 217,852.20, 326,535.30 and 84,688.20 is: 126,937.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,852.20 : 326,535.30 = 84,688.20 : x
  2. Step 2: Convert to fraction form
    217,852.20/326,535.30 = 84,688.20/x
  3. Step 3: Cross multiply
    217,852.20x = 326,535.30 × 84,688.20
  4. Step 4: Simplify right side
    217,852.20x = 27,653,686,793.46
  5. Step 5: Solve for x
    x = 27,653,686,793.46/217,852.20
  6. Step 6: Final answer
    x = 126,937.84

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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.