Home / 314,930.19-434,466.48-200,147.31

Finding the Fourth Proportional to 314,930.19, 434,466.48 and 200,147.31

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Solution

The fourth proportional to 314,930.19, 434,466.48 and 200,147.31 is: 276,116.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930.19 : 434,466.48 = 200,147.31 : x
  2. Step 2: Convert to fraction form
    314,930.19/434,466.48 = 200,147.31/x
  3. Step 3: Cross multiply
    314,930.19x = 434,466.48 × 200,147.31
  4. Step 4: Simplify right side
    314,930.19x = 86,957,297,257.17
  5. Step 5: Solve for x
    x = 86,957,297,257.17/314,930.19
  6. Step 6: Final answer
    x = 276,116.10

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1.5x scale

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.