Home / 393,298.02-589,947.63-168,512.69

Finding the Fourth Proportional to 393,298.02, 589,947.63 and 168,512.69

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Solution

The fourth proportional to 393,298.02, 589,947.63 and 168,512.69 is: 252,769.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,298.02 : 589,947.63 = 168,512.69 : x
  2. Step 2: Convert to fraction form
    393,298.02/589,947.63 = 168,512.69/x
  3. Step 3: Cross multiply
    393,298.02x = 589,947.63 × 168,512.69
  4. Step 4: Simplify right side
    393,298.02x = 99,413,659,140.69
  5. Step 5: Solve for x
    x = 99,413,659,140.69/393,298.02
  6. Step 6: Final answer
    x = 252,769.28

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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.