Home / 190,191.93-285,287.62-57,071.97

Finding the Fourth Proportional to 190,191.93, 285,287.62 and 57,071.97

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Solution

The fourth proportional to 190,191.93, 285,287.62 and 57,071.97 is: 85,607.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,191.93 : 285,287.62 = 57,071.97 : x
  2. Step 2: Convert to fraction form
    190,191.93/285,287.62 = 57,071.97/x
  3. Step 3: Cross multiply
    190,191.93x = 285,287.62 × 57,071.97
  4. Step 4: Simplify right side
    190,191.93x = 16,281,924,920.89
  5. Step 5: Solve for x
    x = 16,281,924,920.89/190,191.93
  6. Step 6: Final answer
    x = 85,607.87

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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.