Home / 124,579.60-186,869.40-114,956.80

Finding the Fourth Proportional to 124,579.60, 186,869.40 and 114,956.80

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Solution

The fourth proportional to 124,579.60, 186,869.40 and 114,956.80 is: 172,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,579.60 : 186,869.40 = 114,956.80 : x
  2. Step 2: Convert to fraction form
    124,579.60/186,869.40 = 114,956.80/x
  3. Step 3: Cross multiply
    124,579.60x = 186,869.40 × 114,956.80
  4. Step 4: Simplify right side
    124,579.60x = 21,481,908,241.92
  5. Step 5: Solve for x
    x = 21,481,908,241.92/124,579.60
  6. Step 6: Final answer
    x = 172,435.20

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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.