Home / 122,516.88-169,066.92-82,225.05

Finding the Fourth Proportional to 122,516.88, 169,066.92 and 82,225.05

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Solution

The fourth proportional to 122,516.88, 169,066.92 and 82,225.05 is: 113,466.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,516.88 : 169,066.92 = 82,225.05 : x
  2. Step 2: Convert to fraction form
    122,516.88/169,066.92 = 82,225.05/x
  3. Step 3: Cross multiply
    122,516.88x = 169,066.92 × 82,225.05
  4. Step 4: Simplify right side
    122,516.88x = 13,901,535,950.35
  5. Step 5: Solve for x
    x = 13,901,535,950.35/122,516.88
  6. Step 6: Final answer
    x = 113,466.29

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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.