Home / 111,020.36-166,532.60-36,140.25

Finding the Fourth Proportional to 111,020.36, 166,532.60 and 36,140.25

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Solution

The fourth proportional to 111,020.36, 166,532.60 and 36,140.25 is: 54,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,020.36 : 166,532.60 = 36,140.25 : x
  2. Step 2: Convert to fraction form
    111,020.36/166,532.60 = 36,140.25/x
  3. Step 3: Cross multiply
    111,020.36x = 166,532.60 × 36,140.25
  4. Step 4: Simplify right side
    111,020.36x = 6,018,529,887.50
  5. Step 5: Solve for x
    x = 6,018,529,887.50/111,020.36
  6. Step 6: Final answer
    x = 54,211.05

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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.