Home / 314,879.29-434,517.02-178,894.36

Finding the Fourth Proportional to 314,879.29, 434,517.02 and 178,894.36

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Solution

The fourth proportional to 314,879.29, 434,517.02 and 178,894.36 is: 246,864.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,879.29 : 434,517.02 = 178,894.36 : x
  2. Step 2: Convert to fraction form
    314,879.29/434,517.02 = 178,894.36/x
  3. Step 3: Cross multiply
    314,879.29x = 434,517.02 × 178,894.36
  4. Step 4: Simplify right side
    314,879.29x = 77,732,642,221.24
  5. Step 5: Solve for x
    x = 77,732,642,221.24/314,879.29
  6. Step 6: Final answer
    x = 246,864.89

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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.