Home / 392,933.34-589,508.73-156,442.02

Finding the Fourth Proportional to 392,933.34, 589,508.73 and 156,442.02

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Solution

The fourth proportional to 392,933.34, 589,508.73 and 156,442.02 is: 234,706.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,933.34 : 589,508.73 = 156,442.02 : x
  2. Step 2: Convert to fraction form
    392,933.34/589,508.73 = 156,442.02/x
  3. Step 3: Cross multiply
    392,933.34x = 589,508.73 × 156,442.02
  4. Step 4: Simplify right side
    392,933.34x = 92,223,936,528.83
  5. Step 5: Solve for x
    x = 92,223,936,528.83/392,933.34
  6. Step 6: Final answer
    x = 234,706.32

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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.