Home / 245,275.20-368,054.69-103,109.22

Finding the Fourth Proportional to 245,275.20, 368,054.69 and 103,109.22

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Solution

The fourth proportional to 245,275.20, 368,054.69 and 103,109.22 is: 154,723.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,275.20 : 368,054.69 = 103,109.22 : x
  2. Step 2: Convert to fraction form
    245,275.20/368,054.69 = 103,109.22/x
  3. Step 3: Cross multiply
    245,275.20x = 368,054.69 × 103,109.22
  4. Step 4: Simplify right side
    245,275.20x = 37,949,831,487.70
  5. Step 5: Solve for x
    x = 37,949,831,487.70/245,275.20
  6. Step 6: Final answer
    x = 154,723.48

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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.