Home / 197,966.19-273,129.08-111,916.83

Finding the Fourth Proportional to 197,966.19, 273,129.08 and 111,916.83

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Solution

The fourth proportional to 197,966.19, 273,129.08 and 111,916.83 is: 154,408.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,966.19 : 273,129.08 = 111,916.83 : x
  2. Step 2: Convert to fraction form
    197,966.19/273,129.08 = 111,916.83/x
  3. Step 3: Cross multiply
    197,966.19x = 273,129.08 × 111,916.83
  4. Step 4: Simplify right side
    197,966.19x = 30,567,740,254.83
  5. Step 5: Solve for x
    x = 30,567,740,254.83/197,966.19
  6. Step 6: Final answer
    x = 154,408.89

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1.5x scale

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.