Home / 216,158.20-324,626.10-157,060.60

Finding the Fourth Proportional to 216,158.20, 324,626.10 and 157,060.60

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Solution

The fourth proportional to 216,158.20, 324,626.10 and 157,060.60 is: 235,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,158.20 : 324,626.10 = 157,060.60 : x
  2. Step 2: Convert to fraction form
    216,158.20/324,626.10 = 157,060.60/x
  3. Step 3: Cross multiply
    216,158.20x = 324,626.10 × 157,060.60
  4. Step 4: Simplify right side
    216,158.20x = 50,985,970,041.66
  5. Step 5: Solve for x
    x = 50,985,970,041.66/216,158.20
  6. Step 6: Final answer
    x = 235,873.40

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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.