Home / 157,220.74-235,691.76-112,735.54

Finding the Fourth Proportional to 157,220.74, 235,691.76 and 112,735.54

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Solution

The fourth proportional to 157,220.74, 235,691.76 and 112,735.54 is: 169,003.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,220.74 : 235,691.76 = 112,735.54 : x
  2. Step 2: Convert to fraction form
    157,220.74/235,691.76 = 112,735.54/x
  3. Step 3: Cross multiply
    157,220.74x = 235,691.76 × 112,735.54
  4. Step 4: Simplify right side
    157,220.74x = 26,570,837,837.15
  5. Step 5: Solve for x
    x = 26,570,837,837.15/157,220.74
  6. Step 6: Final answer
    x = 169,003.39

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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.