Home / 286,520.45-429,190.04-167,831.96

Finding the Fourth Proportional to 286,520.45, 429,190.04 and 167,831.96

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Solution

The fourth proportional to 286,520.45, 429,190.04 and 167,831.96 is: 251,401.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,520.45 : 429,190.04 = 167,831.96 : x
  2. Step 2: Convert to fraction form
    286,520.45/429,190.04 = 167,831.96/x
  3. Step 3: Cross multiply
    286,520.45x = 429,190.04 × 167,831.96
  4. Step 4: Simplify right side
    286,520.45x = 72,031,804,786.52
  5. Step 5: Solve for x
    x = 72,031,804,786.52/286,520.45
  6. Step 6: Final answer
    x = 251,401.97

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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.