Home / 132,772.86-183,231.18-72,348.48

Finding the Fourth Proportional to 132,772.86, 183,231.18 and 72,348.48

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Solution

The fourth proportional to 132,772.86, 183,231.18 and 72,348.48 is: 99,843.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,772.86 : 183,231.18 = 72,348.48 : x
  2. Step 2: Convert to fraction form
    132,772.86/183,231.18 = 72,348.48/x
  3. Step 3: Cross multiply
    132,772.86x = 183,231.18 × 72,348.48
  4. Step 4: Simplify right side
    132,772.86x = 13,256,497,361.61
  5. Step 5: Solve for x
    x = 13,256,497,361.61/132,772.86
  6. Step 6: Final answer
    x = 99,843.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.