Home / 330,572.28-456,190.38-179,668.92

Finding the Fourth Proportional to 330,572.28, 456,190.38 and 179,668.92

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Solution

The fourth proportional to 330,572.28, 456,190.38 and 179,668.92 is: 247,943.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,572.28 : 456,190.38 = 179,668.92 : x
  2. Step 2: Convert to fraction form
    330,572.28/456,190.38 = 179,668.92/x
  3. Step 3: Cross multiply
    330,572.28x = 456,190.38 × 179,668.92
  4. Step 4: Simplify right side
    330,572.28x = 81,963,232,888.99
  5. Step 5: Solve for x
    x = 81,963,232,888.99/330,572.28
  6. Step 6: Final answer
    x = 247,943.45

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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.