Home / 124,371.70-186,557.55-113,485.30

Finding the Fourth Proportional to 124,371.70, 186,557.55 and 113,485.30

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Solution

The fourth proportional to 124,371.70, 186,557.55 and 113,485.30 is: 170,227.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,371.70 : 186,557.55 = 113,485.30 : x
  2. Step 2: Convert to fraction form
    124,371.70/186,557.55 = 113,485.30/x
  3. Step 3: Cross multiply
    124,371.70x = 186,557.55 × 113,485.30
  4. Step 4: Simplify right side
    124,371.70x = 21,171,539,529.02
  5. Step 5: Solve for x
    x = 21,171,539,529.02/124,371.70
  6. Step 6: Final answer
    x = 170,227.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.