Home / 112,388.06-168,665.04-53,223.62

Finding the Fourth Proportional to 112,388.06, 168,665.04 and 53,223.62

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Solution

The fourth proportional to 112,388.06, 168,665.04 and 53,223.62 is: 79,874.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,388.06 : 168,665.04 = 53,223.62 : x
  2. Step 2: Convert to fraction form
    112,388.06/168,665.04 = 53,223.62/x
  3. Step 3: Cross multiply
    112,388.06x = 168,665.04 × 53,223.62
  4. Step 4: Simplify right side
    112,388.06x = 8,976,963,996.24
  5. Step 5: Solve for x
    x = 8,976,963,996.24/112,388.06
  6. Step 6: Final answer
    x = 79,874.71

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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.