Home / 646,128.18-969,192.04-172,801.26

Finding the Fourth Proportional to 646,128.18, 969,192.04 and 172,801.26

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Solution

The fourth proportional to 646,128.18, 969,192.04 and 172,801.26 is: 259,201.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,128.18 : 969,192.04 = 172,801.26 : x
  2. Step 2: Convert to fraction form
    646,128.18/969,192.04 = 172,801.26/x
  3. Step 3: Cross multiply
    646,128.18x = 969,192.04 × 172,801.26
  4. Step 4: Simplify right side
    646,128.18x = 167,477,605,693.97
  5. Step 5: Solve for x
    x = 167,477,605,693.97/646,128.18
  6. Step 6: Final answer
    x = 259,201.83

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Similar ratio
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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.