Home / 199,256.40-299,230.20-193,035.60

Finding the Fourth Proportional to 199,256.40, 299,230.20 and 193,035.60

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Solution

The fourth proportional to 199,256.40, 299,230.20 and 193,035.60 is: 289,888.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,256.40 : 299,230.20 = 193,035.60 : x
  2. Step 2: Convert to fraction form
    199,256.40/299,230.20 = 193,035.60/x
  3. Step 3: Cross multiply
    199,256.40x = 299,230.20 × 193,035.60
  4. Step 4: Simplify right side
    199,256.40x = 57,762,081,195.12
  5. Step 5: Solve for x
    x = 57,762,081,195.12/199,256.40
  6. Step 6: Final answer
    x = 289,888.21

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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.