Home / 300,325.45-414,495.73-171,264.20

Finding the Fourth Proportional to 300,325.45, 414,495.73 and 171,264.20

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Solution

The fourth proportional to 300,325.45, 414,495.73 and 171,264.20 is: 236,371.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,325.45 : 414,495.73 = 171,264.20 : x
  2. Step 2: Convert to fraction form
    300,325.45/414,495.73 = 171,264.20/x
  3. Step 3: Cross multiply
    300,325.45x = 414,495.73 × 171,264.20
  4. Step 4: Simplify right side
    300,325.45x = 70,988,278,909.24
  5. Step 5: Solve for x
    x = 70,988,278,909.24/300,325.45
  6. Step 6: Final answer
    x = 236,371.18

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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.