Home / 245,693.19-368,629.92-103,574.25

Finding the Fourth Proportional to 245,693.19, 368,629.92 and 103,574.25

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Solution

The fourth proportional to 245,693.19, 368,629.92 and 103,574.25 is: 155,399.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,693.19 : 368,629.92 = 103,574.25 : x
  2. Step 2: Convert to fraction form
    245,693.19/368,629.92 = 103,574.25/x
  3. Step 3: Cross multiply
    245,693.19x = 368,629.92 × 103,574.25
  4. Step 4: Simplify right side
    245,693.19x = 38,180,567,491.56
  5. Step 5: Solve for x
    x = 38,180,567,491.56/245,693.19
  6. Step 6: Final answer
    x = 155,399.37

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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.