Home / 134,428.93-185,505.55-73,998.33

Finding the Fourth Proportional to 134,428.93, 185,505.55 and 73,998.33

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Solution

The fourth proportional to 134,428.93, 185,505.55 and 73,998.33 is: 102,114.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,428.93 : 185,505.55 = 73,998.33 : x
  2. Step 2: Convert to fraction form
    134,428.93/185,505.55 = 73,998.33/x
  3. Step 3: Cross multiply
    134,428.93x = 185,505.55 × 73,998.33
  4. Step 4: Simplify right side
    134,428.93x = 13,727,100,905.73
  5. Step 5: Solve for x
    x = 13,727,100,905.73/134,428.93
  6. Step 6: Final answer
    x = 102,114.19

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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.