Home / 314,826.69-434,448.19-171,583.66

Finding the Fourth Proportional to 314,826.69, 434,448.19 and 171,583.66

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Solution

The fourth proportional to 314,826.69, 434,448.19 and 171,583.66 is: 236,778.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,826.69 : 434,448.19 = 171,583.66 : x
  2. Step 2: Convert to fraction form
    314,826.69/434,448.19 = 171,583.66/x
  3. Step 3: Cross multiply
    314,826.69x = 434,448.19 × 171,583.66
  4. Step 4: Simplify right side
    314,826.69x = 74,544,210,520.58
  5. Step 5: Solve for x
    x = 74,544,210,520.58/314,826.69
  6. Step 6: Final answer
    x = 236,778.56

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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.