Home / 275,199.08-379,816.23-167,831.36

Finding the Fourth Proportional to 275,199.08, 379,816.23 and 167,831.36

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Solution

The fourth proportional to 275,199.08, 379,816.23 and 167,831.36 is: 231,632.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,199.08 : 379,816.23 = 167,831.36 : x
  2. Step 2: Convert to fraction form
    275,199.08/379,816.23 = 167,831.36/x
  3. Step 3: Cross multiply
    275,199.08x = 379,816.23 × 167,831.36
  4. Step 4: Simplify right side
    275,199.08x = 63,745,074,430.97
  5. Step 5: Solve for x
    x = 63,745,074,430.97/275,199.08
  6. Step 6: Final answer
    x = 231,632.59

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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.