Home / 307,224.15-423,971.42-171,266.73

Finding the Fourth Proportional to 307,224.15, 423,971.42 and 171,266.73

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Solution

The fourth proportional to 307,224.15, 423,971.42 and 171,266.73 is: 236,349.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,224.15 : 423,971.42 = 171,266.73 : x
  2. Step 2: Convert to fraction form
    307,224.15/423,971.42 = 171,266.73/x
  3. Step 3: Cross multiply
    307,224.15x = 423,971.42 × 171,266.73
  4. Step 4: Simplify right side
    307,224.15x = 72,612,197,860.52
  5. Step 5: Solve for x
    x = 72,612,197,860.52/307,224.15
  6. Step 6: Final answer
    x = 236,349.25

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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.