Home / 180,923.78-271,322.93-74,277.45

Finding the Fourth Proportional to 180,923.78, 271,322.93 and 74,277.45

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Solution

The fourth proportional to 180,923.78, 271,322.93 and 74,277.45 is: 111,390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,923.78 : 271,322.93 = 74,277.45 : x
  2. Step 2: Convert to fraction form
    180,923.78/271,322.93 = 74,277.45/x
  3. Step 3: Cross multiply
    180,923.78x = 271,322.93 × 74,277.45
  4. Step 4: Simplify right side
    180,923.78x = 20,153,174,995.54
  5. Step 5: Solve for x
    x = 20,153,174,995.54/180,923.78
  6. Step 6: Final answer
    x = 111,390.42

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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.