Home / 352,511.20-528,766.80-186,623.20

Finding the Fourth Proportional to 352,511.20, 528,766.80 and 186,623.20

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Solution

The fourth proportional to 352,511.20, 528,766.80 and 186,623.20 is: 279,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,511.20 : 528,766.80 = 186,623.20 : x
  2. Step 2: Convert to fraction form
    352,511.20/528,766.80 = 186,623.20/x
  3. Step 3: Cross multiply
    352,511.20x = 528,766.80 × 186,623.20
  4. Step 4: Simplify right side
    352,511.20x = 98,680,152,269.76
  5. Step 5: Solve for x
    x = 98,680,152,269.76/352,511.20
  6. Step 6: Final answer
    x = 279,934.80

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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.