Home / 217,594.57-326,167.30-91,308.15

Finding the Fourth Proportional to 217,594.57, 326,167.30 and 91,308.15

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Solution

The fourth proportional to 217,594.57, 326,167.30 and 91,308.15 is: 136,868.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,594.57 : 326,167.30 = 91,308.15 : x
  2. Step 2: Convert to fraction form
    217,594.57/326,167.30 = 91,308.15/x
  3. Step 3: Cross multiply
    217,594.57x = 326,167.30 × 91,308.15
  4. Step 4: Simplify right side
    217,594.57x = 29,781,732,753.50
  5. Step 5: Solve for x
    x = 29,781,732,753.50/217,594.57
  6. Step 6: Final answer
    x = 136,868.00

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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.