Home / 188,031.36-259,501.94-107,470.46

Finding the Fourth Proportional to 188,031.36, 259,501.94 and 107,470.46

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Solution

The fourth proportional to 188,031.36, 259,501.94 and 107,470.46 is: 148,319.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,031.36 : 259,501.94 = 107,470.46 : x
  2. Step 2: Convert to fraction form
    188,031.36/259,501.94 = 107,470.46/x
  3. Step 3: Cross multiply
    188,031.36x = 259,501.94 × 107,470.46
  4. Step 4: Simplify right side
    188,031.36x = 27,888,791,027.83
  5. Step 5: Solve for x
    x = 27,888,791,027.83/188,031.36
  6. Step 6: Final answer
    x = 148,319.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.