Home / 191,248.68-263,916.14-106,371.20

Finding the Fourth Proportional to 191,248.68, 263,916.14 and 106,371.20

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Solution

The fourth proportional to 191,248.68, 263,916.14 and 106,371.20 is: 146,788.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,248.68 : 263,916.14 = 106,371.20 : x
  2. Step 2: Convert to fraction form
    191,248.68/263,916.14 = 106,371.20/x
  3. Step 3: Cross multiply
    191,248.68x = 263,916.14 × 106,371.20
  4. Step 4: Simplify right side
    191,248.68x = 28,073,076,511.17
  5. Step 5: Solve for x
    x = 28,073,076,511.17/191,248.68
  6. Step 6: Final answer
    x = 146,788.34

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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.