Home / 124,568.40-186,852.60-74,704.80

Finding the Fourth Proportional to 124,568.40, 186,852.60 and 74,704.80

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Solution

The fourth proportional to 124,568.40, 186,852.60 and 74,704.80 is: 112,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,568.40 : 186,852.60 = 74,704.80 : x
  2. Step 2: Convert to fraction form
    124,568.40/186,852.60 = 74,704.80/x
  3. Step 3: Cross multiply
    124,568.40x = 186,852.60 × 74,704.80
  4. Step 4: Simplify right side
    124,568.40x = 13,958,786,112.48
  5. Step 5: Solve for x
    x = 13,958,786,112.48/124,568.40
  6. Step 6: Final answer
    x = 112,057.20

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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.