Home / 157,470.60-235,629.90-115,998.60

Finding the Fourth Proportional to 157,470.60, 235,629.90 and 115,998.60

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Solution

The fourth proportional to 157,470.60, 235,629.90 and 115,998.60 is: 173,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,470.60 : 235,629.90 = 115,998.60 : x
  2. Step 2: Convert to fraction form
    157,470.60/235,629.90 = 115,998.60/x
  3. Step 3: Cross multiply
    157,470.60x = 235,629.90 × 115,998.60
  4. Step 4: Simplify right side
    157,470.60x = 27,332,738,518.14
  5. Step 5: Solve for x
    x = 27,332,738,518.14/157,470.60
  6. Step 6: Final answer
    x = 173,573.60

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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.