Home / 168,143.24-232,008.90-100,151.84

Finding the Fourth Proportional to 168,143.24, 232,008.90 and 100,151.84

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Solution

The fourth proportional to 168,143.24, 232,008.90 and 100,151.84 is: 138,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,143.24 : 232,008.90 = 100,151.84 : x
  2. Step 2: Convert to fraction form
    168,143.24/232,008.90 = 100,151.84/x
  3. Step 3: Cross multiply
    168,143.24x = 232,008.90 × 100,151.84
  4. Step 4: Simplify right side
    168,143.24x = 23,236,118,231.38
  5. Step 5: Solve for x
    x = 23,236,118,231.38/168,143.24
  6. Step 6: Final answer
    x = 138,192.40

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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.