Home / 124,914.40-187,371.60-121,998.40

Finding the Fourth Proportional to 124,914.40, 187,371.60 and 121,998.40

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Solution

The fourth proportional to 124,914.40, 187,371.60 and 121,998.40 is: 182,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,914.40 : 187,371.60 = 121,998.40 : x
  2. Step 2: Convert to fraction form
    124,914.40/187,371.60 = 121,998.40/x
  3. Step 3: Cross multiply
    124,914.40x = 187,371.60 × 121,998.40
  4. Step 4: Simplify right side
    124,914.40x = 22,859,035,405.44
  5. Step 5: Solve for x
    x = 22,859,035,405.44/124,914.40
  6. Step 6: Final answer
    x = 182,997.60

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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.