Home / 191,819.84-287,391.99-170,945.33

Finding the Fourth Proportional to 191,819.84, 287,391.99 and 170,945.33

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Solution

The fourth proportional to 191,819.84, 287,391.99 and 170,945.33 is: 256,116.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,819.84 : 287,391.99 = 170,945.33 : x
  2. Step 2: Convert to fraction form
    191,819.84/287,391.99 = 170,945.33/x
  3. Step 3: Cross multiply
    191,819.84x = 287,391.99 × 170,945.33
  4. Step 4: Simplify right side
    191,819.84x = 49,128,318,569.91
  5. Step 5: Solve for x
    x = 49,128,318,569.91/191,819.84
  6. Step 6: Final answer
    x = 256,116.98

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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.