Home / 269,113.36-403,714.32-91,602.40

Finding the Fourth Proportional to 269,113.36, 403,714.32 and 91,602.40

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Solution

The fourth proportional to 269,113.36, 403,714.32 and 91,602.40 is: 137,418.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,113.36 : 403,714.32 = 91,602.40 : x
  2. Step 2: Convert to fraction form
    269,113.36/403,714.32 = 91,602.40/x
  3. Step 3: Cross multiply
    269,113.36x = 403,714.32 × 91,602.40
  4. Step 4: Simplify right side
    269,113.36x = 36,981,200,626.37
  5. Step 5: Solve for x
    x = 36,981,200,626.37/269,113.36
  6. Step 6: Final answer
    x = 137,418.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.