Home / 156,986.44-235,479.30-38,659.48

Finding the Fourth Proportional to 156,986.44, 235,479.30 and 38,659.48

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Solution

The fourth proportional to 156,986.44, 235,479.30 and 38,659.48 is: 57,989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,986.44 : 235,479.30 = 38,659.48 : x
  2. Step 2: Convert to fraction form
    156,986.44/235,479.30 = 38,659.48/x
  3. Step 3: Cross multiply
    156,986.44x = 235,479.30 × 38,659.48
  4. Step 4: Simplify right side
    156,986.44x = 9,103,507,288.76
  5. Step 5: Solve for x
    x = 9,103,507,288.76/156,986.44
  6. Step 6: Final answer
    x = 57,989.13

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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.