Home / 236,044.16-325,740.98-128,614.20

Finding the Fourth Proportional to 236,044.16, 325,740.98 and 128,614.20

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Solution

The fourth proportional to 236,044.16, 325,740.98 and 128,614.20 is: 177,487.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,044.16 : 325,740.98 = 128,614.20 : x
  2. Step 2: Convert to fraction form
    236,044.16/325,740.98 = 128,614.20/x
  3. Step 3: Cross multiply
    236,044.16x = 325,740.98 × 128,614.20
  4. Step 4: Simplify right side
    236,044.16x = 41,894,914,906.85
  5. Step 5: Solve for x
    x = 41,894,914,906.85/236,044.16
  6. Step 6: Final answer
    x = 177,487.62

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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.