Home / 204,962.74-282,980.18-128,586.56

Finding the Fourth Proportional to 204,962.74, 282,980.18 and 128,586.56

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Solution

The fourth proportional to 204,962.74, 282,980.18 and 128,586.56 is: 177,532.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,962.74 : 282,980.18 = 128,586.56 : x
  2. Step 2: Convert to fraction form
    204,962.74/282,980.18 = 128,586.56/x
  3. Step 3: Cross multiply
    204,962.74x = 282,980.18 × 128,586.56
  4. Step 4: Simplify right side
    204,962.74x = 36,387,446,800.95
  5. Step 5: Solve for x
    x = 36,387,446,800.95/204,962.74
  6. Step 6: Final answer
    x = 177,532.01

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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.