Home / 264,787.20-396,524.70-169,871.40

Finding the Fourth Proportional to 264,787.20, 396,524.70 and 169,871.40

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Solution

The fourth proportional to 264,787.20, 396,524.70 and 169,871.40 is: 254,386.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,787.20 : 396,524.70 = 169,871.40 : x
  2. Step 2: Convert to fraction form
    264,787.20/396,524.70 = 169,871.40/x
  3. Step 3: Cross multiply
    264,787.20x = 396,524.70 × 169,871.40
  4. Step 4: Simplify right side
    264,787.20x = 67,358,205,923.58
  5. Step 5: Solve for x
    x = 67,358,205,923.58/264,787.20
  6. Step 6: Final answer
    x = 254,386.19

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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.