Home / 541,316.70-811,916.73-141,997.50

Finding the Fourth Proportional to 541,316.70, 811,916.73 and 141,997.50

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Solution

The fourth proportional to 541,316.70, 811,916.73 and 141,997.50 is: 212,980.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,316.70 : 811,916.73 = 141,997.50 : x
  2. Step 2: Convert to fraction form
    541,316.70/811,916.73 = 141,997.50/x
  3. Step 3: Cross multiply
    541,316.70x = 811,916.73 × 141,997.50
  4. Step 4: Simplify right side
    541,316.70x = 115,290,145,868.18
  5. Step 5: Solve for x
    x = 115,290,145,868.18/541,316.70
  6. Step 6: Final answer
    x = 212,980.95

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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.