Home / 314,918.28-434,456.36-185,805.48

Finding the Fourth Proportional to 314,918.28, 434,456.36 and 185,805.48

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Solution

The fourth proportional to 314,918.28, 434,456.36 and 185,805.48 is: 256,334.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,918.28 : 434,456.36 = 185,805.48 : x
  2. Step 2: Convert to fraction form
    314,918.28/434,456.36 = 185,805.48/x
  3. Step 3: Cross multiply
    314,918.28x = 434,456.36 × 185,805.48
  4. Step 4: Simplify right side
    314,918.28x = 80,724,372,508.85
  5. Step 5: Solve for x
    x = 80,724,372,508.85/314,918.28
  6. Step 6: Final answer
    x = 256,334.35

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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.