Home / 190,187.28-285,280.92-49,945.68

Finding the Fourth Proportional to 190,187.28, 285,280.92 and 49,945.68

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Solution

The fourth proportional to 190,187.28, 285,280.92 and 49,945.68 is: 74,918.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,187.28 : 285,280.92 = 49,945.68 : x
  2. Step 2: Convert to fraction form
    190,187.28/285,280.92 = 49,945.68/x
  3. Step 3: Cross multiply
    190,187.28x = 285,280.92 × 49,945.68
  4. Step 4: Simplify right side
    190,187.28x = 14,248,549,540.43
  5. Step 5: Solve for x
    x = 14,248,549,540.43/190,187.28
  6. Step 6: Final answer
    x = 74,918.52

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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.