Home / 393,259.03-589,901.60-108,952.44

Finding the Fourth Proportional to 393,259.03, 589,901.60 and 108,952.44

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Solution

The fourth proportional to 393,259.03, 589,901.60 and 108,952.44 is: 163,432.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,259.03 : 589,901.60 = 108,952.44 : x
  2. Step 2: Convert to fraction form
    393,259.03/589,901.60 = 108,952.44/x
  3. Step 3: Cross multiply
    393,259.03x = 589,901.60 × 108,952.44
  4. Step 4: Simplify right side
    393,259.03x = 64,271,216,740.15
  5. Step 5: Solve for x
    x = 64,271,216,740.15/393,259.03
  6. Step 6: Final answer
    x = 163,432.27

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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.