Home / 156,253.07-234,416.64-51,071.73

Finding the Fourth Proportional to 156,253.07, 234,416.64 and 51,071.73

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Solution

The fourth proportional to 156,253.07, 234,416.64 and 51,071.73 is: 76,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,253.07 : 234,416.64 = 51,071.73 : x
  2. Step 2: Convert to fraction form
    156,253.07/234,416.64 = 51,071.73/x
  3. Step 3: Cross multiply
    156,253.07x = 234,416.64 × 51,071.73
  4. Step 4: Simplify right side
    156,253.07x = 11,972,063,345.59
  5. Step 5: Solve for x
    x = 11,972,063,345.59/156,253.07
  6. Step 6: Final answer
    x = 76,619.70

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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.