Home / 214,916.02-322,428.70-126,244.50

Finding the Fourth Proportional to 214,916.02, 322,428.70 and 126,244.50

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Solution

The fourth proportional to 214,916.02, 322,428.70 and 126,244.50 is: 189,398.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,916.02 : 322,428.70 = 126,244.50 : x
  2. Step 2: Convert to fraction form
    214,916.02/322,428.70 = 126,244.50/x
  3. Step 3: Cross multiply
    214,916.02x = 322,428.70 × 126,244.50
  4. Step 4: Simplify right side
    214,916.02x = 40,704,850,017.15
  5. Step 5: Solve for x
    x = 40,704,850,017.15/214,916.02
  6. Step 6: Final answer
    x = 189,398.86

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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.