Home / 219,224.64-302,529.36-123,731.04

Finding the Fourth Proportional to 219,224.64, 302,529.36 and 123,731.04

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Solution

The fourth proportional to 219,224.64, 302,529.36 and 123,731.04 is: 170,748.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,224.64 : 302,529.36 = 123,731.04 : x
  2. Step 2: Convert to fraction form
    219,224.64/302,529.36 = 123,731.04/x
  3. Step 3: Cross multiply
    219,224.64x = 302,529.36 × 123,731.04
  4. Step 4: Simplify right side
    219,224.64x = 37,432,272,343.33
  5. Step 5: Solve for x
    x = 37,432,272,343.33/219,224.64
  6. Step 6: Final answer
    x = 170,748.47

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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.