Home / 146,272.16-219,242.32-67,223

Finding the Fourth Proportional to 146,272.16, 219,242.32 and 67,223

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Solution

The fourth proportional to 146,272.16, 219,242.32 and 67,223 is: 100,758.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,272.16 : 219,242.32 = 67,223 : x
  2. Step 2: Convert to fraction form
    146,272.16/219,242.32 = 67,223/x
  3. Step 3: Cross multiply
    146,272.16x = 219,242.32 × 67,223
  4. Step 4: Simplify right side
    146,272.16x = 14,738,126,477.36
  5. Step 5: Solve for x
    x = 14,738,126,477.36/146,272.16
  6. Step 6: Final answer
    x = 100,758.25

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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.