Home / 245,778.03-368,562.69-103,687.02

Finding the Fourth Proportional to 245,778.03, 368,562.69 and 103,687.02

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Solution

The fourth proportional to 245,778.03, 368,562.69 and 103,687.02 is: 155,486.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,778.03 : 368,562.69 = 103,687.02 : x
  2. Step 2: Convert to fraction form
    245,778.03/368,562.69 = 103,687.02/x
  3. Step 3: Cross multiply
    245,778.03x = 368,562.69 × 103,687.02
  4. Step 4: Simplify right side
    245,778.03x = 38,215,167,009.28
  5. Step 5: Solve for x
    x = 38,215,167,009.28/245,778.03
  6. Step 6: Final answer
    x = 155,486.51

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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.