Home / 212,327.20-293,002.75-115,531.46

Finding the Fourth Proportional to 212,327.20, 293,002.75 and 115,531.46

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Solution

The fourth proportional to 212,327.20, 293,002.75 and 115,531.46 is: 159,428.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,327.20 : 293,002.75 = 115,531.46 : x
  2. Step 2: Convert to fraction form
    212,327.20/293,002.75 = 115,531.46/x
  3. Step 3: Cross multiply
    212,327.20x = 293,002.75 × 115,531.46
  4. Step 4: Simplify right side
    212,327.20x = 33,851,035,491.52
  5. Step 5: Solve for x
    x = 33,851,035,491.52/212,327.20
  6. Step 6: Final answer
    x = 159,428.63

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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.