Home / 269,068.69-403,621.35-89,153.70

Finding the Fourth Proportional to 269,068.69, 403,621.35 and 89,153.70

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Solution

The fourth proportional to 269,068.69, 403,621.35 and 89,153.70 is: 133,736.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,068.69 : 403,621.35 = 89,153.70 : x
  2. Step 2: Convert to fraction form
    269,068.69/403,621.35 = 89,153.70/x
  3. Step 3: Cross multiply
    269,068.69x = 403,621.35 × 89,153.70
  4. Step 4: Simplify right side
    269,068.69x = 35,984,336,751.50
  5. Step 5: Solve for x
    x = 35,984,336,751.50/269,068.69
  6. Step 6: Final answer
    x = 133,736.62

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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.