Home / 172,567.26-238,158.90-100,942.74

Finding the Fourth Proportional to 172,567.26, 238,158.90 and 100,942.74

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Solution

The fourth proportional to 172,567.26, 238,158.90 and 100,942.74 is: 139,310.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,567.26 : 238,158.90 = 100,942.74 : x
  2. Step 2: Convert to fraction form
    172,567.26/238,158.90 = 100,942.74/x
  3. Step 3: Cross multiply
    172,567.26x = 238,158.90 × 100,942.74
  4. Step 4: Simplify right side
    172,567.26x = 24,040,411,921.39
  5. Step 5: Solve for x
    x = 24,040,411,921.39/172,567.26
  6. Step 6: Final answer
    x = 139,310.39

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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.