Home / 193,918.40-291,032.96-100,450.88

Finding the Fourth Proportional to 193,918.40, 291,032.96 and 100,450.88

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Solution

The fourth proportional to 193,918.40, 291,032.96 and 100,450.88 is: 150,756.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,918.40 : 291,032.96 = 100,450.88 : x
  2. Step 2: Convert to fraction form
    193,918.40/291,032.96 = 100,450.88/x
  3. Step 3: Cross multiply
    193,918.40x = 291,032.96 × 100,450.88
  4. Step 4: Simplify right side
    193,918.40x = 29,234,516,941.00
  5. Step 5: Solve for x
    x = 29,234,516,941.00/193,918.40
  6. Step 6: Final answer
    x = 150,756.80

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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.