Home / 183,422.78-253,015.95-115,331.85

Finding the Fourth Proportional to 183,422.78, 253,015.95 and 115,331.85

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Solution

The fourth proportional to 183,422.78, 253,015.95 and 115,331.85 is: 159,090.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,422.78 : 253,015.95 = 115,331.85 : x
  2. Step 2: Convert to fraction form
    183,422.78/253,015.95 = 115,331.85/x
  3. Step 3: Cross multiply
    183,422.78x = 253,015.95 × 115,331.85
  4. Step 4: Simplify right side
    183,422.78x = 29,180,798,025.50
  5. Step 5: Solve for x
    x = 29,180,798,025.50/183,422.78
  6. Step 6: Final answer
    x = 159,090.37

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1.5x scale

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.