Home / 133,032.19-199,582.86-66,469.63

Finding the Fourth Proportional to 133,032.19, 199,582.86 and 66,469.63

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Solution

The fourth proportional to 133,032.19, 199,582.86 and 66,469.63 is: 99,721.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,032.19 : 199,582.86 = 66,469.63 : x
  2. Step 2: Convert to fraction form
    133,032.19/199,582.86 = 66,469.63/x
  3. Step 3: Cross multiply
    133,032.19x = 199,582.86 × 66,469.63
  4. Step 4: Simplify right side
    133,032.19x = 13,266,198,858.54
  5. Step 5: Solve for x
    x = 13,266,198,858.54/133,032.19
  6. Step 6: Final answer
    x = 99,721.72

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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.