Home / 320,901.31-481,363.13-152,334.80

Finding the Fourth Proportional to 320,901.31, 481,363.13 and 152,334.80

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Solution

The fourth proportional to 320,901.31, 481,363.13 and 152,334.80 is: 228,507.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,901.31 : 481,363.13 = 152,334.80 : x
  2. Step 2: Convert to fraction form
    320,901.31/481,363.13 = 152,334.80/x
  3. Step 3: Cross multiply
    320,901.31x = 481,363.13 × 152,334.80
  4. Step 4: Simplify right side
    320,901.31x = 73,328,356,135.92
  5. Step 5: Solve for x
    x = 73,328,356,135.92/320,901.31
  6. Step 6: Final answer
    x = 228,507.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.