Home / 245,807.20-368,391.28-110,772.16

Finding the Fourth Proportional to 245,807.20, 368,391.28 and 110,772.16

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Solution

The fourth proportional to 245,807.20, 368,391.28 and 110,772.16 is: 166,014.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,807.20 : 368,391.28 = 110,772.16 : x
  2. Step 2: Convert to fraction form
    245,807.20/368,391.28 = 110,772.16/x
  3. Step 3: Cross multiply
    245,807.20x = 368,391.28 × 110,772.16
  4. Step 4: Simplify right side
    245,807.20x = 40,807,497,810.76
  5. Step 5: Solve for x
    x = 40,807,497,810.76/245,807.20
  6. Step 6: Final answer
    x = 166,014.25

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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.