Home / 352,152.30-527,418.45-289,166.70

Finding the Fourth Proportional to 352,152.30, 527,418.45 and 289,166.70

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Solution

The fourth proportional to 352,152.30, 527,418.45 and 289,166.70 is: 433,084.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,152.30 : 527,418.45 = 289,166.70 : x
  2. Step 2: Convert to fraction form
    352,152.30/527,418.45 = 289,166.70/x
  3. Step 3: Cross multiply
    352,152.30x = 527,418.45 × 289,166.70
  4. Step 4: Simplify right side
    352,152.30x = 152,511,852,705.62
  5. Step 5: Solve for x
    x = 152,511,852,705.62/352,152.30
  6. Step 6: Final answer
    x = 433,084.93

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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.