Home / 134,762.03-186,047.78-89,517.56

Finding the Fourth Proportional to 134,762.03, 186,047.78 and 89,517.56

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Solution

The fourth proportional to 134,762.03, 186,047.78 and 89,517.56 is: 123,584.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,762.03 : 186,047.78 = 89,517.56 : x
  2. Step 2: Convert to fraction form
    134,762.03/186,047.78 = 89,517.56/x
  3. Step 3: Cross multiply
    134,762.03x = 186,047.78 × 89,517.56
  4. Step 4: Simplify right side
    134,762.03x = 16,654,543,309.02
  5. Step 5: Solve for x
    x = 16,654,543,309.02/134,762.03
  6. Step 6: Final answer
    x = 123,584.84

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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.