Home / 201,439.03-302,094.37-66,477.98

Finding the Fourth Proportional to 201,439.03, 302,094.37 and 66,477.98

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Solution

The fourth proportional to 201,439.03, 302,094.37 and 66,477.98 is: 99,695.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,439.03 : 302,094.37 = 66,477.98 : x
  2. Step 2: Convert to fraction form
    201,439.03/302,094.37 = 66,477.98/x
  3. Step 3: Cross multiply
    201,439.03x = 302,094.37 × 66,477.98
  4. Step 4: Simplify right side
    201,439.03x = 20,082,624,076.01
  5. Step 5: Solve for x
    x = 20,082,624,076.01/201,439.03
  6. Step 6: Final answer
    x = 99,695.80

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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.