Home / 122,007.18-168,369.90-68,292.22

Finding the Fourth Proportional to 122,007.18, 168,369.90 and 68,292.22

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Solution

The fourth proportional to 122,007.18, 168,369.90 and 68,292.22 is: 94,243.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,007.18 : 168,369.90 = 68,292.22 : x
  2. Step 2: Convert to fraction form
    122,007.18/168,369.90 = 68,292.22/x
  3. Step 3: Cross multiply
    122,007.18x = 168,369.90 × 68,292.22
  4. Step 4: Simplify right side
    122,007.18x = 11,498,354,252.18
  5. Step 5: Solve for x
    x = 11,498,354,252.18/122,007.18
  6. Step 6: Final answer
    x = 94,243.26

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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.