Home / 245,425.06-368,145.64-67,917.20

Finding the Fourth Proportional to 245,425.06, 368,145.64 and 67,917.20

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Solution

The fourth proportional to 245,425.06, 368,145.64 and 67,917.20 is: 101,878.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,425.06 : 368,145.64 = 67,917.20 : x
  2. Step 2: Convert to fraction form
    245,425.06/368,145.64 = 67,917.20/x
  3. Step 3: Cross multiply
    245,425.06x = 368,145.64 × 67,917.20
  4. Step 4: Simplify right side
    245,425.06x = 25,003,421,376.00
  5. Step 5: Solve for x
    x = 25,003,421,376.00/245,425.06
  6. Step 6: Final answer
    x = 101,878.03

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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.