Home / 179,827.13-248,161.43-100,339.13

Finding the Fourth Proportional to 179,827.13, 248,161.43 and 100,339.13

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Solution

The fourth proportional to 179,827.13, 248,161.43 and 100,339.13 is: 138,467.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,827.13 : 248,161.43 = 100,339.13 : x
  2. Step 2: Convert to fraction form
    179,827.13/248,161.43 = 100,339.13/x
  3. Step 3: Cross multiply
    179,827.13x = 248,161.43 × 100,339.13
  4. Step 4: Simplify right side
    179,827.13x = 24,900,300,995.80
  5. Step 5: Solve for x
    x = 24,900,300,995.80/179,827.13
  6. Step 6: Final answer
    x = 138,467.99

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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.