Home / 662,143.29-993,224.04-188,828.70

Finding the Fourth Proportional to 662,143.29, 993,224.04 and 188,828.70

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Solution

The fourth proportional to 662,143.29, 993,224.04 and 188,828.70 is: 283,245.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,143.29 : 993,224.04 = 188,828.70 : x
  2. Step 2: Convert to fraction form
    662,143.29/993,224.04 = 188,828.70/x
  3. Step 3: Cross multiply
    662,143.29x = 993,224.04 × 188,828.70
  4. Step 4: Simplify right side
    662,143.29x = 187,549,204,281.95
  5. Step 5: Solve for x
    x = 187,549,204,281.95/662,143.29
  6. Step 6: Final answer
    x = 283,245.65

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Double scale
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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.