Home / 314,562.13-434,080.25-178,578.24

Finding the Fourth Proportional to 314,562.13, 434,080.25 and 178,578.24

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Solution

The fourth proportional to 314,562.13, 434,080.25 and 178,578.24 is: 246,429.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,562.13 : 434,080.25 = 178,578.24 : x
  2. Step 2: Convert to fraction form
    314,562.13/434,080.25 = 178,578.24/x
  3. Step 3: Cross multiply
    314,562.13x = 434,080.25 × 178,578.24
  4. Step 4: Simplify right side
    314,562.13x = 77,517,285,212.74
  5. Step 5: Solve for x
    x = 77,517,285,212.74/314,562.13
  6. Step 6: Final answer
    x = 246,429.17

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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.