Home / 197,647.58-272,792.32-154,541.82

Finding the Fourth Proportional to 197,647.58, 272,792.32 and 154,541.82

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Solution

The fourth proportional to 197,647.58, 272,792.32 and 154,541.82 is: 213,297.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,647.58 : 272,792.32 = 154,541.82 : x
  2. Step 2: Convert to fraction form
    197,647.58/272,792.32 = 154,541.82/x
  3. Step 3: Cross multiply
    197,647.58x = 272,792.32 × 154,541.82
  4. Step 4: Simplify right side
    197,647.58x = 42,157,821,614.82
  5. Step 5: Solve for x
    x = 42,157,821,614.82/197,647.58
  6. Step 6: Final answer
    x = 213,297.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.