Home / 393,125.20-589,833.60-156,637.60

Finding the Fourth Proportional to 393,125.20, 589,833.60 and 156,637.60

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Solution

The fourth proportional to 393,125.20, 589,833.60 and 156,637.60 is: 235,014.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,125.20 : 589,833.60 = 156,637.60 : x
  2. Step 2: Convert to fraction form
    393,125.20/589,833.60 = 156,637.60/x
  3. Step 3: Cross multiply
    393,125.20x = 589,833.60 × 156,637.60
  4. Step 4: Simplify right side
    393,125.20x = 92,390,119,503.36
  5. Step 5: Solve for x
    x = 92,390,119,503.36/393,125.20
  6. Step 6: Final answer
    x = 235,014.49

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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.