Home / 180,918.74-249,753.58-120,589.94

Finding the Fourth Proportional to 180,918.74, 249,753.58 and 120,589.94

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Solution

The fourth proportional to 180,918.74, 249,753.58 and 120,589.94 is: 166,471.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,918.74 : 249,753.58 = 120,589.94 : x
  2. Step 2: Convert to fraction form
    180,918.74/249,753.58 = 120,589.94/x
  3. Step 3: Cross multiply
    180,918.74x = 249,753.58 × 120,589.94
  4. Step 4: Simplify right side
    180,918.74x = 30,117,769,226.99
  5. Step 5: Solve for x
    x = 30,117,769,226.99/180,918.74
  6. Step 6: Final answer
    x = 166,471.25

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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.