Home / 190,233.60-285,328.80-50,006.40

Finding the Fourth Proportional to 190,233.60, 285,328.80 and 50,006.40

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Solution

The fourth proportional to 190,233.60, 285,328.80 and 50,006.40 is: 75,003.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,233.60 : 285,328.80 = 50,006.40 : x
  2. Step 2: Convert to fraction form
    190,233.60/285,328.80 = 50,006.40/x
  3. Step 3: Cross multiply
    190,233.60x = 285,328.80 × 50,006.40
  4. Step 4: Simplify right side
    190,233.60x = 14,268,266,104.32
  5. Step 5: Solve for x
    x = 14,268,266,104.32/190,233.60
  6. Step 6: Final answer
    x = 75,003.92

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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.