Home / 219,682.20-329,264.10-164,213.40

Finding the Fourth Proportional to 219,682.20, 329,264.10 and 164,213.40

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Solution

The fourth proportional to 219,682.20, 329,264.10 and 164,213.40 is: 246,126.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,682.20 : 329,264.10 = 164,213.40 : x
  2. Step 2: Convert to fraction form
    219,682.20/329,264.10 = 164,213.40/x
  3. Step 3: Cross multiply
    219,682.20x = 329,264.10 × 164,213.40
  4. Step 4: Simplify right side
    219,682.20x = 54,069,577,358.94
  5. Step 5: Solve for x
    x = 54,069,577,358.94/219,682.20
  6. Step 6: Final answer
    x = 246,126.35

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1.5x scale

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.