Home / 292,213.92-437,968.22-142,229.46

Finding the Fourth Proportional to 292,213.92, 437,968.22 and 142,229.46

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Solution

The fourth proportional to 292,213.92, 437,968.22 and 142,229.46 is: 213,172.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,213.92 : 437,968.22 = 142,229.46 : x
  2. Step 2: Convert to fraction form
    292,213.92/437,968.22 = 142,229.46/x
  3. Step 3: Cross multiply
    292,213.92x = 437,968.22 × 142,229.46
  4. Step 4: Simplify right side
    292,213.92x = 62,291,983,427.76
  5. Step 5: Solve for x
    x = 62,291,983,427.76/292,213.92
  6. Step 6: Final answer
    x = 213,172.54

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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.