Home / 268,615.04-401,928.72-162,060.80

Finding the Fourth Proportional to 268,615.04, 401,928.72 and 162,060.80

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Solution

The fourth proportional to 268,615.04, 401,928.72 and 162,060.80 is: 242,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,615.04 : 401,928.72 = 162,060.80 : x
  2. Step 2: Convert to fraction form
    268,615.04/401,928.72 = 162,060.80/x
  3. Step 3: Cross multiply
    268,615.04x = 401,928.72 × 162,060.80
  4. Step 4: Simplify right side
    268,615.04x = 65,136,889,906.18
  5. Step 5: Solve for x
    x = 65,136,889,906.18/268,615.04
  6. Step 6: Final answer
    x = 242,491.60

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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.