Home / 280,100.04-419,735.10-230,532.36

Finding the Fourth Proportional to 280,100.04, 419,735.10 and 230,532.36

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Solution

The fourth proportional to 280,100.04, 419,735.10 and 230,532.36 is: 345,457.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,100.04 : 419,735.10 = 230,532.36 : x
  2. Step 2: Convert to fraction form
    280,100.04/419,735.10 = 230,532.36/x
  3. Step 3: Cross multiply
    280,100.04x = 419,735.10 × 230,532.36
  4. Step 4: Simplify right side
    280,100.04x = 96,762,523,177.84
  5. Step 5: Solve for x
    x = 96,762,523,177.84/280,100.04
  6. Step 6: Final answer
    x = 345,457.01

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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.