Home / 190,300.74-285,455.73-63,942.80

Finding the Fourth Proportional to 190,300.74, 285,455.73 and 63,942.80

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Solution

The fourth proportional to 190,300.74, 285,455.73 and 63,942.80 is: 95,915.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,300.74 : 285,455.73 = 63,942.80 : x
  2. Step 2: Convert to fraction form
    190,300.74/285,455.73 = 63,942.80/x
  3. Step 3: Cross multiply
    190,300.74x = 285,455.73 × 63,942.80
  4. Step 4: Simplify right side
    190,300.74x = 18,252,837,224.97
  5. Step 5: Solve for x
    x = 18,252,837,224.97/190,300.74
  6. Step 6: Final answer
    x = 95,915.74

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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.