Home / 147,899.42-204,142.97-87,491.03

Finding the Fourth Proportional to 147,899.42, 204,142.97 and 87,491.03

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Solution

The fourth proportional to 147,899.42, 204,142.97 and 87,491.03 is: 120,762.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,899.42 : 204,142.97 = 87,491.03 : x
  2. Step 2: Convert to fraction form
    147,899.42/204,142.97 = 87,491.03/x
  3. Step 3: Cross multiply
    147,899.42x = 204,142.97 × 87,491.03
  4. Step 4: Simplify right side
    147,899.42x = 17,860,679,441.64
  5. Step 5: Solve for x
    x = 17,860,679,441.64/147,899.42
  6. Step 6: Final answer
    x = 120,762.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.