Home / 374,743.75-517,153.68-204,981.52

Finding the Fourth Proportional to 374,743.75, 517,153.68 and 204,981.52

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Solution

The fourth proportional to 374,743.75, 517,153.68 and 204,981.52 is: 282,878.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,743.75 : 517,153.68 = 204,981.52 : x
  2. Step 2: Convert to fraction form
    374,743.75/517,153.68 = 204,981.52/x
  3. Step 3: Cross multiply
    374,743.75x = 517,153.68 × 204,981.52
  4. Step 4: Simplify right side
    374,743.75x = 106,006,947,399.99
  5. Step 5: Solve for x
    x = 106,006,947,399.99/374,743.75
  6. Step 6: Final answer
    x = 282,878.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.