Home / 156,949.24-235,421.79-38,621.60

Finding the Fourth Proportional to 156,949.24, 235,421.79 and 38,621.60

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Solution

The fourth proportional to 156,949.24, 235,421.79 and 38,621.60 is: 57,931.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,949.24 : 235,421.79 = 38,621.60 : x
  2. Step 2: Convert to fraction form
    156,949.24/235,421.79 = 38,621.60/x
  3. Step 3: Cross multiply
    156,949.24x = 235,421.79 × 38,621.60
  4. Step 4: Simplify right side
    156,949.24x = 9,092,366,204.66
  5. Step 5: Solve for x
    x = 9,092,366,204.66/156,949.24
  6. Step 6: Final answer
    x = 57,931.89

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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.