Home / 111,333.72-153,650.25-61,042.44

Finding the Fourth Proportional to 111,333.72, 153,650.25 and 61,042.44

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Solution

The fourth proportional to 111,333.72, 153,650.25 and 61,042.44 is: 84,243.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,333.72 : 153,650.25 = 61,042.44 : x
  2. Step 2: Convert to fraction form
    111,333.72/153,650.25 = 61,042.44/x
  3. Step 3: Cross multiply
    111,333.72x = 153,650.25 × 61,042.44
  4. Step 4: Simplify right side
    111,333.72x = 9,379,186,166.61
  5. Step 5: Solve for x
    x = 9,379,186,166.61/111,333.72
  6. Step 6: Final answer
    x = 84,243.89

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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.