Home / 319,025.34-440,251.43-181,203.30

Finding the Fourth Proportional to 319,025.34, 440,251.43 and 181,203.30

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Solution

The fourth proportional to 319,025.34, 440,251.43 and 181,203.30 is: 250,058.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,025.34 : 440,251.43 = 181,203.30 : x
  2. Step 2: Convert to fraction form
    319,025.34/440,251.43 = 181,203.30/x
  3. Step 3: Cross multiply
    319,025.34x = 440,251.43 × 181,203.30
  4. Step 4: Simplify right side
    319,025.34x = 79,775,011,039.70
  5. Step 5: Solve for x
    x = 79,775,011,039.70/319,025.34
  6. Step 6: Final answer
    x = 250,058.54

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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.