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Finding the Fourth Proportional to 190,498.57, 285,795.37 and 134,448.16

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Solution

The fourth proportional to 190,498.57, 285,795.37 and 134,448.16 is: 201,705.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,498.57 : 285,795.37 = 134,448.16 : x
  2. Step 2: Convert to fraction form
    190,498.57/285,795.37 = 134,448.16/x
  3. Step 3: Cross multiply
    190,498.57x = 285,795.37 × 134,448.16
  4. Step 4: Simplify right side
    190,498.57x = 38,424,661,633.02
  5. Step 5: Solve for x
    x = 38,424,661,633.02/190,498.57
  6. Step 6: Final answer
    x = 201,705.77

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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.