Home / 307,224.33-423,971.37-171,266.91

Finding the Fourth Proportional to 307,224.33, 423,971.37 and 171,266.91

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Solution

The fourth proportional to 307,224.33, 423,971.37 and 171,266.91 is: 236,349.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,224.33 : 423,971.37 = 171,266.91 : x
  2. Step 2: Convert to fraction form
    307,224.33/423,971.37 = 171,266.91/x
  3. Step 3: Cross multiply
    307,224.33x = 423,971.37 × 171,266.91
  4. Step 4: Simplify right side
    307,224.33x = 72,612,266,468.37
  5. Step 5: Solve for x
    x = 72,612,266,468.37/307,224.33
  6. Step 6: Final answer
    x = 236,349.34

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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.