Home / 190,012.40-284,830.60-89,996.80

Finding the Fourth Proportional to 190,012.40, 284,830.60 and 89,996.80

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Solution

The fourth proportional to 190,012.40, 284,830.60 and 89,996.80 is: 134,906.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,012.40 : 284,830.60 = 89,996.80 : x
  2. Step 2: Convert to fraction form
    190,012.40/284,830.60 = 89,996.80/x
  3. Step 3: Cross multiply
    190,012.40x = 284,830.60 × 89,996.80
  4. Step 4: Simplify right side
    190,012.40x = 25,633,842,542.08
  5. Step 5: Solve for x
    x = 25,633,842,542.08/190,012.40
  6. Step 6: Final answer
    x = 134,906.16

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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.