Home / 134,975.87-186,268.20-74,545.11

Finding the Fourth Proportional to 134,975.87, 186,268.20 and 74,545.11

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Solution

The fourth proportional to 134,975.87, 186,268.20 and 74,545.11 is: 102,873.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,975.87 : 186,268.20 = 74,545.11 : x
  2. Step 2: Convert to fraction form
    134,975.87/186,268.20 = 74,545.11/x
  3. Step 3: Cross multiply
    134,975.87x = 186,268.20 × 74,545.11
  4. Step 4: Simplify right side
    134,975.87x = 13,885,383,458.50
  5. Step 5: Solve for x
    x = 13,885,383,458.50/134,975.87
  6. Step 6: Final answer
    x = 102,873.08

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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.