Home / 165,137.02-227,887.80-89,685.52

Finding the Fourth Proportional to 165,137.02, 227,887.80 and 89,685.52

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Solution

The fourth proportional to 165,137.02, 227,887.80 and 89,685.52 is: 123,765.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,137.02 : 227,887.80 = 89,685.52 : x
  2. Step 2: Convert to fraction form
    165,137.02/227,887.80 = 89,685.52/x
  3. Step 3: Cross multiply
    165,137.02x = 227,887.80 × 89,685.52
  4. Step 4: Simplify right side
    165,137.02x = 20,438,235,274.94
  5. Step 5: Solve for x
    x = 20,438,235,274.94/165,137.02
  6. Step 6: Final answer
    x = 123,765.32

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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.