Home / 122,192.25-168,565.39-106,036.89

Finding the Fourth Proportional to 122,192.25, 168,565.39 and 106,036.89

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Solution

The fourth proportional to 122,192.25, 168,565.39 and 106,036.89 is: 146,278.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,192.25 : 168,565.39 = 106,036.89 : x
  2. Step 2: Convert to fraction form
    122,192.25/168,565.39 = 106,036.89/x
  3. Step 3: Cross multiply
    122,192.25x = 168,565.39 × 106,036.89
  4. Step 4: Simplify right side
    122,192.25x = 17,874,149,717.24
  5. Step 5: Solve for x
    x = 17,874,149,717.24/122,192.25
  6. Step 6: Final answer
    x = 146,278.91

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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.