Home / 210,003.93-315,021.69-60,243.03

Finding the Fourth Proportional to 210,003.93, 315,021.69 and 60,243.03

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Solution

The fourth proportional to 210,003.93, 315,021.69 and 60,243.03 is: 90,369.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,003.93 : 315,021.69 = 60,243.03 : x
  2. Step 2: Convert to fraction form
    210,003.93/315,021.69 = 60,243.03/x
  3. Step 3: Cross multiply
    210,003.93x = 315,021.69 × 60,243.03
  4. Step 4: Simplify right side
    210,003.93x = 18,977,861,121.32
  5. Step 5: Solve for x
    x = 18,977,861,121.32/210,003.93
  6. Step 6: Final answer
    x = 90,369.08

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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.