Home / 120,317.13-166,081.44-70,016.13

Finding the Fourth Proportional to 120,317.13, 166,081.44 and 70,016.13

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Solution

The fourth proportional to 120,317.13, 166,081.44 and 70,016.13 is: 96,647.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,317.13 : 166,081.44 = 70,016.13 : x
  2. Step 2: Convert to fraction form
    120,317.13/166,081.44 = 70,016.13/x
  3. Step 3: Cross multiply
    120,317.13x = 166,081.44 × 70,016.13
  4. Step 4: Simplify right side
    120,317.13x = 11,628,379,693.63
  5. Step 5: Solve for x
    x = 11,628,379,693.63/120,317.13
  6. Step 6: Final answer
    x = 96,647.75

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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.