Home / 156,731.33-235,096.99-38,401.64

Finding the Fourth Proportional to 156,731.33, 235,096.99 and 38,401.64

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Solution

The fourth proportional to 156,731.33, 235,096.99 and 38,401.64 is: 57,602.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,731.33 : 235,096.99 = 38,401.64 : x
  2. Step 2: Convert to fraction form
    156,731.33/235,096.99 = 38,401.64/x
  3. Step 3: Cross multiply
    156,731.33x = 235,096.99 × 38,401.64
  4. Step 4: Simplify right side
    156,731.33x = 9,028,109,975.06
  5. Step 5: Solve for x
    x = 9,028,109,975.06/156,731.33
  6. Step 6: Final answer
    x = 57,602.46

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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.