Home / 172,173.44-237,555.22-100,512.28

Finding the Fourth Proportional to 172,173.44, 237,555.22 and 100,512.28

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Solution

The fourth proportional to 172,173.44, 237,555.22 and 100,512.28 is: 138,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,173.44 : 237,555.22 = 100,512.28 : x
  2. Step 2: Convert to fraction form
    172,173.44/237,555.22 = 100,512.28/x
  3. Step 3: Cross multiply
    172,173.44x = 237,555.22 × 100,512.28
  4. Step 4: Simplify right side
    172,173.44x = 23,877,216,536.82
  5. Step 5: Solve for x
    x = 23,877,216,536.82/172,173.44
  6. Step 6: Final answer
    x = 138,681.19

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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.