Home / 156,794.40-235,191.60-38,464.20

Finding the Fourth Proportional to 156,794.40, 235,191.60 and 38,464.20

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Solution

The fourth proportional to 156,794.40, 235,191.60 and 38,464.20 is: 57,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,794.40 : 235,191.60 = 38,464.20 : x
  2. Step 2: Convert to fraction form
    156,794.40/235,191.60 = 38,464.20/x
  3. Step 3: Cross multiply
    156,794.40x = 235,191.60 × 38,464.20
  4. Step 4: Simplify right side
    156,794.40x = 9,046,456,740.72
  5. Step 5: Solve for x
    x = 9,046,456,740.72/156,794.40
  6. Step 6: Final answer
    x = 57,696.30

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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.