Home / 156,689.28-234,984.06-51,483.96

Finding the Fourth Proportional to 156,689.28, 234,984.06 and 51,483.96

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Solution

The fourth proportional to 156,689.28, 234,984.06 and 51,483.96 is: 77,209.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,689.28 : 234,984.06 = 51,483.96 : x
  2. Step 2: Convert to fraction form
    156,689.28/234,984.06 = 51,483.96/x
  3. Step 3: Cross multiply
    156,689.28x = 234,984.06 × 51,483.96
  4. Step 4: Simplify right side
    156,689.28x = 12,097,909,945.68
  5. Step 5: Solve for x
    x = 12,097,909,945.68/156,689.28
  6. Step 6: Final answer
    x = 77,209.56

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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.