Home / 219,440.36-329,255.61-77,387.13

Finding the Fourth Proportional to 219,440.36, 329,255.61 and 77,387.13

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Solution

The fourth proportional to 219,440.36, 329,255.61 and 77,387.13 is: 116,114.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,440.36 : 329,255.61 = 77,387.13 : x
  2. Step 2: Convert to fraction form
    219,440.36/329,255.61 = 77,387.13/x
  3. Step 3: Cross multiply
    219,440.36x = 329,255.61 × 77,387.13
  4. Step 4: Simplify right side
    219,440.36x = 25,480,146,694.30
  5. Step 5: Solve for x
    x = 25,480,146,694.30/219,440.36
  6. Step 6: Final answer
    x = 116,114.22

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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.