Home / 124,623.40-186,813.60-71,260.60

Finding the Fourth Proportional to 124,623.40, 186,813.60 and 71,260.60

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Solution

The fourth proportional to 124,623.40, 186,813.60 and 71,260.60 is: 106,821.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,623.40 : 186,813.60 = 71,260.60 : x
  2. Step 2: Convert to fraction form
    124,623.40/186,813.60 = 71,260.60/x
  3. Step 3: Cross multiply
    124,623.40x = 186,813.60 × 71,260.60
  4. Step 4: Simplify right side
    124,623.40x = 13,312,449,224.16
  5. Step 5: Solve for x
    x = 13,312,449,224.16/124,623.40
  6. Step 6: Final answer
    x = 106,821.43

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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.