Home / 122,466.48-183,342.87-91,015.80

Finding the Fourth Proportional to 122,466.48, 183,342.87 and 91,015.80

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Solution

The fourth proportional to 122,466.48, 183,342.87 and 91,015.80 is: 136,258.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,466.48 : 183,342.87 = 91,015.80 : x
  2. Step 2: Convert to fraction form
    122,466.48/183,342.87 = 91,015.80/x
  3. Step 3: Cross multiply
    122,466.48x = 183,342.87 × 91,015.80
  4. Step 4: Simplify right side
    122,466.48x = 16,687,097,987.35
  5. Step 5: Solve for x
    x = 16,687,097,987.35/122,466.48
  6. Step 6: Final answer
    x = 136,258.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.