Home / 111,328.13-166,989.87-27,088.73

Finding the Fourth Proportional to 111,328.13, 166,989.87 and 27,088.73

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Solution

The fourth proportional to 111,328.13, 166,989.87 and 27,088.73 is: 40,632.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,328.13 : 166,989.87 = 27,088.73 : x
  2. Step 2: Convert to fraction form
    111,328.13/166,989.87 = 27,088.73/x
  3. Step 3: Cross multiply
    111,328.13x = 166,989.87 × 27,088.73
  4. Step 4: Simplify right side
    111,328.13x = 4,523,543,501.17
  5. Step 5: Solve for x
    x = 4,523,543,501.17/111,328.13
  6. Step 6: Final answer
    x = 40,632.53

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1.5x scale

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.