Home / 147,825.66-203,999.34-79,842.60

Finding the Fourth Proportional to 147,825.66, 203,999.34 and 79,842.60

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Solution

The fourth proportional to 147,825.66, 203,999.34 and 79,842.60 is: 110,182.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,825.66 : 203,999.34 = 79,842.60 : x
  2. Step 2: Convert to fraction form
    147,825.66/203,999.34 = 79,842.60/x
  3. Step 3: Cross multiply
    147,825.66x = 203,999.34 × 79,842.60
  4. Step 4: Simplify right side
    147,825.66x = 16,287,837,703.88
  5. Step 5: Solve for x
    x = 16,287,837,703.88/147,825.66
  6. Step 6: Final answer
    x = 110,182.75

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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.