Home / 157,110.78-235,662.97-38,783.14

Finding the Fourth Proportional to 157,110.78, 235,662.97 and 38,783.14

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Solution

The fourth proportional to 157,110.78, 235,662.97 and 38,783.14 is: 58,173.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,110.78 : 235,662.97 = 38,783.14 : x
  2. Step 2: Convert to fraction form
    157,110.78/235,662.97 = 38,783.14/x
  3. Step 3: Cross multiply
    157,110.78x = 235,662.97 × 38,783.14
  4. Step 4: Simplify right side
    157,110.78x = 9,139,749,958.33
  5. Step 5: Solve for x
    x = 9,139,749,958.33/157,110.78
  6. Step 6: Final answer
    x = 58,173.92

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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.