Home / 541,316.20-811,915.98-141,997

Finding the Fourth Proportional to 541,316.20, 811,915.98 and 141,997

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Solution

The fourth proportional to 541,316.20, 811,915.98 and 141,997 is: 212,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,316.20 : 811,915.98 = 141,997 : x
  2. Step 2: Convert to fraction form
    541,316.20/811,915.98 = 141,997/x
  3. Step 3: Cross multiply
    541,316.20x = 811,915.98 × 141,997
  4. Step 4: Simplify right side
    541,316.20x = 115,289,633,412.06
  5. Step 5: Solve for x
    x = 115,289,633,412.06/541,316.20
  6. Step 6: Final answer
    x = 212,980.20

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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.