Home / 170,495.12-235,264.22-109,213.36

Finding the Fourth Proportional to 170,495.12, 235,264.22 and 109,213.36

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Solution

The fourth proportional to 170,495.12, 235,264.22 and 109,213.36 is: 150,702.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,495.12 : 235,264.22 = 109,213.36 : x
  2. Step 2: Convert to fraction form
    170,495.12/235,264.22 = 109,213.36/x
  3. Step 3: Cross multiply
    170,495.12x = 235,264.22 × 109,213.36
  4. Step 4: Simplify right side
    170,495.12x = 25,693,995,953.98
  5. Step 5: Solve for x
    x = 25,693,995,953.98/170,495.12
  6. Step 6: Final answer
    x = 150,702.24

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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.