Home / 303,872.10-455,764.95-93,531.30

Finding the Fourth Proportional to 303,872.10, 455,764.95 and 93,531.30

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Solution

The fourth proportional to 303,872.10, 455,764.95 and 93,531.30 is: 140,283.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,872.10 : 455,764.95 = 93,531.30 : x
  2. Step 2: Convert to fraction form
    303,872.10/455,764.95 = 93,531.30/x
  3. Step 3: Cross multiply
    303,872.10x = 455,764.95 × 93,531.30
  4. Step 4: Simplify right side
    303,872.10x = 42,628,288,267.94
  5. Step 5: Solve for x
    x = 42,628,288,267.94/303,872.10
  6. Step 6: Final answer
    x = 140,283.65

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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.