Home / 132,816.40-199,224.60-122,678.80

Finding the Fourth Proportional to 132,816.40, 199,224.60 and 122,678.80

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Solution

The fourth proportional to 132,816.40, 199,224.60 and 122,678.80 is: 184,018.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,816.40 : 199,224.60 = 122,678.80 : x
  2. Step 2: Convert to fraction form
    132,816.40/199,224.60 = 122,678.80/x
  3. Step 3: Cross multiply
    132,816.40x = 199,224.60 × 122,678.80
  4. Step 4: Simplify right side
    132,816.40x = 24,440,634,858.48
  5. Step 5: Solve for x
    x = 24,440,634,858.48/132,816.40
  6. Step 6: Final answer
    x = 184,018.20

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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.