Home / 124,195.20-186,416.40-57,650.40

Finding the Fourth Proportional to 124,195.20, 186,416.40 and 57,650.40

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Solution

The fourth proportional to 124,195.20, 186,416.40 and 57,650.40 is: 86,532.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,195.20 : 186,416.40 = 57,650.40 : x
  2. Step 2: Convert to fraction form
    124,195.20/186,416.40 = 57,650.40/x
  3. Step 3: Cross multiply
    124,195.20x = 186,416.40 × 57,650.40
  4. Step 4: Simplify right side
    124,195.20x = 10,746,980,026.56
  5. Step 5: Solve for x
    x = 10,746,980,026.56/124,195.20
  6. Step 6: Final answer
    x = 86,532.97

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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.