Home / 149,034.37-205,561.68-91,598.28

Finding the Fourth Proportional to 149,034.37, 205,561.68 and 91,598.28

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Solution

The fourth proportional to 149,034.37, 205,561.68 and 91,598.28 is: 126,340.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,034.37 : 205,561.68 = 91,598.28 : x
  2. Step 2: Convert to fraction form
    149,034.37/205,561.68 = 91,598.28/x
  3. Step 3: Cross multiply
    149,034.37x = 205,561.68 × 91,598.28
  4. Step 4: Simplify right side
    149,034.37x = 18,829,096,321.91
  5. Step 5: Solve for x
    x = 18,829,096,321.91/149,034.37
  6. Step 6: Final answer
    x = 126,340.64

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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.