Home / 153,635.19-211,999.44-85,647.03

Finding the Fourth Proportional to 153,635.19, 211,999.44 and 85,647.03

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Solution

The fourth proportional to 153,635.19, 211,999.44 and 85,647.03 is: 118,183.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,635.19 : 211,999.44 = 85,647.03 : x
  2. Step 2: Convert to fraction form
    153,635.19/211,999.44 = 85,647.03/x
  3. Step 3: Cross multiply
    153,635.19x = 211,999.44 × 85,647.03
  4. Step 4: Simplify right side
    153,635.19x = 18,157,122,397.66
  5. Step 5: Solve for x
    x = 18,157,122,397.66/153,635.19
  6. Step 6: Final answer
    x = 118,183.36

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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.