Home / 132,124.07-198,216.38-57,256.79

Finding the Fourth Proportional to 132,124.07, 198,216.38 and 57,256.79

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Solution

The fourth proportional to 132,124.07, 198,216.38 and 57,256.79 is: 85,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,124.07 : 198,216.38 = 57,256.79 : x
  2. Step 2: Convert to fraction form
    132,124.07/198,216.38 = 57,256.79/x
  3. Step 3: Cross multiply
    132,124.07x = 198,216.38 × 57,256.79
  4. Step 4: Simplify right side
    132,124.07x = 11,349,232,796.28
  5. Step 5: Solve for x
    x = 11,349,232,796.28/132,124.07
  6. Step 6: Final answer
    x = 85,898.30

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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.