Home / 156,314.18-234,493.14-51,112.20

Finding the Fourth Proportional to 156,314.18, 234,493.14 and 51,112.20

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Solution

The fourth proportional to 156,314.18, 234,493.14 and 51,112.20 is: 76,675.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,314.18 : 234,493.14 = 51,112.20 : x
  2. Step 2: Convert to fraction form
    156,314.18/234,493.14 = 51,112.20/x
  3. Step 3: Cross multiply
    156,314.18x = 234,493.14 × 51,112.20
  4. Step 4: Simplify right side
    156,314.18x = 11,985,460,270.31
  5. Step 5: Solve for x
    x = 11,985,460,270.31/156,314.18
  6. Step 6: Final answer
    x = 76,675.45

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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.