Home / 133,216.09-183,836.04-72,785.44

Finding the Fourth Proportional to 133,216.09, 183,836.04 and 72,785.44

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Solution

The fourth proportional to 133,216.09, 183,836.04 and 72,785.44 is: 100,442.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,216.09 : 183,836.04 = 72,785.44 : x
  2. Step 2: Convert to fraction form
    133,216.09/183,836.04 = 72,785.44/x
  3. Step 3: Cross multiply
    133,216.09x = 183,836.04 × 72,785.44
  4. Step 4: Simplify right side
    133,216.09x = 13,380,587,059.26
  5. Step 5: Solve for x
    x = 13,380,587,059.26/133,216.09
  6. Step 6: Final answer
    x = 100,442.72

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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.