Home / 171,814.08-237,111.57-107,321.52

Finding the Fourth Proportional to 171,814.08, 237,111.57 and 107,321.52

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Solution

The fourth proportional to 171,814.08, 237,111.57 and 107,321.52 is: 148,108.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,814.08 : 237,111.57 = 107,321.52 : x
  2. Step 2: Convert to fraction form
    171,814.08/237,111.57 = 107,321.52/x
  3. Step 3: Cross multiply
    171,814.08x = 237,111.57 × 107,321.52
  4. Step 4: Simplify right side
    171,814.08x = 25,447,174,101.99
  5. Step 5: Solve for x
    x = 25,447,174,101.99/171,814.08
  6. Step 6: Final answer
    x = 148,108.78

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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.