Home / 314,837.56-434,475.99-178,871.74

Finding the Fourth Proportional to 314,837.56, 434,475.99 and 178,871.74

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Solution

The fourth proportional to 314,837.56, 434,475.99 and 178,871.74 is: 246,843.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,837.56 : 434,475.99 = 178,871.74 : x
  2. Step 2: Convert to fraction form
    314,837.56/434,475.99 = 178,871.74/x
  3. Step 3: Cross multiply
    314,837.56x = 434,475.99 × 178,871.74
  4. Step 4: Simplify right side
    314,837.56x = 77,715,476,319.52
  5. Step 5: Solve for x
    x = 77,715,476,319.52/314,837.56
  6. Step 6: Final answer
    x = 246,843.09

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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.