Home / 168,077.92-251,983.68-83,792.16

Finding the Fourth Proportional to 168,077.92, 251,983.68 and 83,792.16

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Solution

The fourth proportional to 168,077.92, 251,983.68 and 83,792.16 is: 125,621.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,077.92 : 251,983.68 = 83,792.16 : x
  2. Step 2: Convert to fraction form
    168,077.92/251,983.68 = 83,792.16/x
  3. Step 3: Cross multiply
    168,077.92x = 251,983.68 × 83,792.16
  4. Step 4: Simplify right side
    168,077.92x = 21,114,256,831.95
  5. Step 5: Solve for x
    x = 21,114,256,831.95/168,077.92
  6. Step 6: Final answer
    x = 125,621.84

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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.