Home / 107,922.70-161,884.05-99,628.30

Finding the Fourth Proportional to 107,922.70, 161,884.05 and 99,628.30

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Solution

The fourth proportional to 107,922.70, 161,884.05 and 99,628.30 is: 149,442.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,922.70 : 161,884.05 = 99,628.30 : x
  2. Step 2: Convert to fraction form
    107,922.70/161,884.05 = 99,628.30/x
  3. Step 3: Cross multiply
    107,922.70x = 161,884.05 × 99,628.30
  4. Step 4: Simplify right side
    107,922.70x = 16,128,232,698.62
  5. Step 5: Solve for x
    x = 16,128,232,698.62/107,922.70
  6. Step 6: Final answer
    x = 149,442.45

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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.