Home / 110,108.52-151,996.32-74,347.02

Finding the Fourth Proportional to 110,108.52, 151,996.32 and 74,347.02

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Solution

The fourth proportional to 110,108.52, 151,996.32 and 74,347.02 is: 102,630.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,108.52 : 151,996.32 = 74,347.02 : x
  2. Step 2: Convert to fraction form
    110,108.52/151,996.32 = 74,347.02/x
  3. Step 3: Cross multiply
    110,108.52x = 151,996.32 × 74,347.02
  4. Step 4: Simplify right side
    110,108.52x = 11,300,473,442.97
  5. Step 5: Solve for x
    x = 11,300,473,442.97/110,108.52
  6. Step 6: Final answer
    x = 102,630.33

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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.