Home / 132,999.42-199,332.57-66,458.22

Finding the Fourth Proportional to 132,999.42, 199,332.57 and 66,458.22

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Solution

The fourth proportional to 132,999.42, 199,332.57 and 66,458.22 is: 99,604.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,999.42 : 199,332.57 = 66,458.22 : x
  2. Step 2: Convert to fraction form
    132,999.42/199,332.57 = 66,458.22/x
  3. Step 3: Cross multiply
    132,999.42x = 199,332.57 × 66,458.22
  4. Step 4: Simplify right side
    132,999.42x = 13,247,287,790.23
  5. Step 5: Solve for x
    x = 13,247,287,790.23/132,999.42
  6. Step 6: Final answer
    x = 99,604.10

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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.