Home / 190,090.13-285,135.19-49,848.75

Finding the Fourth Proportional to 190,090.13, 285,135.19 and 49,848.75

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Solution

The fourth proportional to 190,090.13, 285,135.19 and 49,848.75 is: 74,773.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,090.13 : 285,135.19 = 49,848.75 : x
  2. Step 2: Convert to fraction form
    190,090.13/285,135.19 = 49,848.75/x
  3. Step 3: Cross multiply
    190,090.13x = 285,135.19 × 49,848.75
  4. Step 4: Simplify right side
    190,090.13x = 14,213,632,677.89
  5. Step 5: Solve for x
    x = 14,213,632,677.89/190,090.13
  6. Step 6: Final answer
    x = 74,773.13

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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.