Home / 224,664.72-310,085.76-153,215.04

Finding the Fourth Proportional to 224,664.72, 310,085.76 and 153,215.04

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Solution

The fourth proportional to 224,664.72, 310,085.76 and 153,215.04 is: 211,469.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,664.72 : 310,085.76 = 153,215.04 : x
  2. Step 2: Convert to fraction form
    224,664.72/310,085.76 = 153,215.04/x
  3. Step 3: Cross multiply
    224,664.72x = 310,085.76 × 153,215.04
  4. Step 4: Simplify right side
    224,664.72x = 47,509,802,121.83
  5. Step 5: Solve for x
    x = 47,509,802,121.83/224,664.72
  6. Step 6: Final answer
    x = 211,469.79

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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.