Home / 124,450.40-186,675.60-68,268.80

Finding the Fourth Proportional to 124,450.40, 186,675.60 and 68,268.80

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Solution

The fourth proportional to 124,450.40, 186,675.60 and 68,268.80 is: 102,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,450.40 : 186,675.60 = 68,268.80 : x
  2. Step 2: Convert to fraction form
    124,450.40/186,675.60 = 68,268.80/x
  3. Step 3: Cross multiply
    124,450.40x = 186,675.60 × 68,268.80
  4. Step 4: Simplify right side
    124,450.40x = 12,744,119,201.28
  5. Step 5: Solve for x
    x = 12,744,119,201.28/124,450.40
  6. Step 6: Final answer
    x = 102,403.20

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1.5x scale

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.