Home / 190,197.12-285,355.38-114,382.92

Finding the Fourth Proportional to 190,197.12, 285,355.38 and 114,382.92

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Solution

The fourth proportional to 190,197.12, 285,355.38 and 114,382.92 is: 171,610.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,197.12 : 285,355.38 = 114,382.92 : x
  2. Step 2: Convert to fraction form
    190,197.12/285,355.38 = 114,382.92/x
  3. Step 3: Cross multiply
    190,197.12x = 285,355.38 × 114,382.92
  4. Step 4: Simplify right side
    190,197.12x = 32,639,781,602.11
  5. Step 5: Solve for x
    x = 32,639,781,602.11/190,197.12
  6. Step 6: Final answer
    x = 171,610.28

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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.