Home / 156,235.83-234,365.90-51,065.43

Finding the Fourth Proportional to 156,235.83, 234,365.90 and 51,065.43

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Solution

The fourth proportional to 156,235.83, 234,365.90 and 51,065.43 is: 76,602.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,235.83 : 234,365.90 = 51,065.43 : x
  2. Step 2: Convert to fraction form
    156,235.83/234,365.90 = 51,065.43/x
  3. Step 3: Cross multiply
    156,235.83x = 234,365.90 × 51,065.43
  4. Step 4: Simplify right side
    156,235.83x = 11,967,995,460.84
  5. Step 5: Solve for x
    x = 11,967,995,460.84/156,235.83
  6. Step 6: Final answer
    x = 76,602.12

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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.