Home / 329,916.87-455,285.34-186,674.04

Finding the Fourth Proportional to 329,916.87, 455,285.34 and 186,674.04

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Solution

The fourth proportional to 329,916.87, 455,285.34 and 186,674.04 is: 257,610.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,916.87 : 455,285.34 = 186,674.04 : x
  2. Step 2: Convert to fraction form
    329,916.87/455,285.34 = 186,674.04/x
  3. Step 3: Cross multiply
    329,916.87x = 455,285.34 × 186,674.04
  4. Step 4: Simplify right side
    329,916.87x = 84,989,953,770.57
  5. Step 5: Solve for x
    x = 84,989,953,770.57/329,916.87
  6. Step 6: Final answer
    x = 257,610.21

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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.