Home / 111,128.63-166,707.59-36,222.53

Finding the Fourth Proportional to 111,128.63, 166,707.59 and 36,222.53

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Solution

The fourth proportional to 111,128.63, 166,707.59 and 36,222.53 is: 54,338.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,128.63 : 166,707.59 = 36,222.53 : x
  2. Step 2: Convert to fraction form
    111,128.63/166,707.59 = 36,222.53/x
  3. Step 3: Cross multiply
    111,128.63x = 166,707.59 × 36,222.53
  4. Step 4: Simplify right side
    111,128.63x = 6,038,569,665.35
  5. Step 5: Solve for x
    x = 6,038,569,665.35/111,128.63
  6. Step 6: Final answer
    x = 54,338.56

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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.