Home / 190,546.50-285,831.72-64,176.42

Finding the Fourth Proportional to 190,546.50, 285,831.72 and 64,176.42

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Solution

The fourth proportional to 190,546.50, 285,831.72 and 64,176.42 is: 96,268.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,546.50 : 285,831.72 = 64,176.42 : x
  2. Step 2: Convert to fraction form
    190,546.50/285,831.72 = 64,176.42/x
  3. Step 3: Cross multiply
    190,546.50x = 285,831.72 × 64,176.42
  4. Step 4: Simplify right side
    190,546.50x = 18,343,656,512.04
  5. Step 5: Solve for x
    x = 18,343,656,512.04/190,546.50
  6. Step 6: Final answer
    x = 96,268.66

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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.