Home / 210,580.28-315,823.91-60,788.02

Finding the Fourth Proportional to 210,580.28, 315,823.91 and 60,788.02

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Solution

The fourth proportional to 210,580.28, 315,823.91 and 60,788.02 is: 91,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,580.28 : 315,823.91 = 60,788.02 : x
  2. Step 2: Convert to fraction form
    210,580.28/315,823.91 = 60,788.02/x
  3. Step 3: Cross multiply
    210,580.28x = 315,823.91 × 60,788.02
  4. Step 4: Simplify right side
    210,580.28x = 19,198,310,157.56
  5. Step 5: Solve for x
    x = 19,198,310,157.56/210,580.28
  6. Step 6: Final answer
    x = 91,168.60

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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.