Home / 111,601.92-154,140.54-93,518.16

Finding the Fourth Proportional to 111,601.92, 154,140.54 and 93,518.16

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Solution

The fourth proportional to 111,601.92, 154,140.54 and 93,518.16 is: 129,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,601.92 : 154,140.54 = 93,518.16 : x
  2. Step 2: Convert to fraction form
    111,601.92/154,140.54 = 93,518.16/x
  3. Step 3: Cross multiply
    111,601.92x = 154,140.54 × 93,518.16
  4. Step 4: Simplify right side
    111,601.92x = 14,414,939,682.21
  5. Step 5: Solve for x
    x = 14,414,939,682.21/111,601.92
  6. Step 6: Final answer
    x = 129,163.90

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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.