Home / 172,149.23-237,529.07-100,496.73

Finding the Fourth Proportional to 172,149.23, 237,529.07 and 100,496.73

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Solution

The fourth proportional to 172,149.23, 237,529.07 and 100,496.73 is: 138,663.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,149.23 : 237,529.07 = 100,496.73 : x
  2. Step 2: Convert to fraction form
    172,149.23/237,529.07 = 100,496.73/x
  3. Step 3: Cross multiply
    172,149.23x = 237,529.07 × 100,496.73
  4. Step 4: Simplify right side
    172,149.23x = 23,870,894,312.46
  5. Step 5: Solve for x
    x = 23,870,894,312.46/172,149.23
  6. Step 6: Final answer
    x = 138,663.97

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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.