Home / 314,540.20-434,050.63-178,556.19

Finding the Fourth Proportional to 314,540.20, 434,050.63 and 178,556.19

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Solution

The fourth proportional to 314,540.20, 434,050.63 and 178,556.19 is: 246,399.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,540.20 : 434,050.63 = 178,556.19 : x
  2. Step 2: Convert to fraction form
    314,540.20/434,050.63 = 178,556.19/x
  3. Step 3: Cross multiply
    314,540.20x = 434,050.63 × 178,556.19
  4. Step 4: Simplify right side
    314,540.20x = 77,502,426,759.90
  5. Step 5: Solve for x
    x = 77,502,426,759.90/314,540.20
  6. Step 6: Final answer
    x = 246,399.11

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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.