Home / 197,851.19-273,048.03-111,780.32

Finding the Fourth Proportional to 197,851.19, 273,048.03 and 111,780.32

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Solution

The fourth proportional to 197,851.19, 273,048.03 and 111,780.32 is: 154,264.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,851.19 : 273,048.03 = 111,780.32 : x
  2. Step 2: Convert to fraction form
    197,851.19/273,048.03 = 111,780.32/x
  3. Step 3: Cross multiply
    197,851.19x = 273,048.03 × 111,780.32
  4. Step 4: Simplify right side
    197,851.19x = 30,521,394,803.53
  5. Step 5: Solve for x
    x = 30,521,394,803.53/197,851.19
  6. Step 6: Final answer
    x = 154,264.40

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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.