Home / 217,766.71-326,649.36-57,858.64

Finding the Fourth Proportional to 217,766.71, 326,649.36 and 57,858.64

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Solution

The fourth proportional to 217,766.71, 326,649.36 and 57,858.64 is: 86,787.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,766.71 : 326,649.36 = 57,858.64 : x
  2. Step 2: Convert to fraction form
    217,766.71/326,649.36 = 57,858.64/x
  3. Step 3: Cross multiply
    217,766.71x = 326,649.36 × 57,858.64
  4. Step 4: Simplify right side
    217,766.71x = 18,899,486,801.36
  5. Step 5: Solve for x
    x = 18,899,486,801.36/217,766.71
  6. Step 6: Final answer
    x = 86,787.77

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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.