Home / 371,371.20-557,080.48-105,152.68

Finding the Fourth Proportional to 371,371.20, 557,080.48 and 105,152.68

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Solution

The fourth proportional to 371,371.20, 557,080.48 and 105,152.68 is: 157,735.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,371.20 : 557,080.48 = 105,152.68 : x
  2. Step 2: Convert to fraction form
    371,371.20/557,080.48 = 105,152.68/x
  3. Step 3: Cross multiply
    371,371.20x = 557,080.48 × 105,152.68
  4. Step 4: Simplify right side
    371,371.20x = 58,578,505,447.69
  5. Step 5: Solve for x
    x = 58,578,505,447.69/371,371.20
  6. Step 6: Final answer
    x = 157,735.72

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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.