Home / 140,862.24-194,374.08-87,181.92

Finding the Fourth Proportional to 140,862.24, 194,374.08 and 87,181.92

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Solution

The fourth proportional to 140,862.24, 194,374.08 and 87,181.92 is: 120,301.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,862.24 : 194,374.08 = 87,181.92 : x
  2. Step 2: Convert to fraction form
    140,862.24/194,374.08 = 87,181.92/x
  3. Step 3: Cross multiply
    140,862.24x = 194,374.08 × 87,181.92
  4. Step 4: Simplify right side
    140,862.24x = 16,945,905,492.63
  5. Step 5: Solve for x
    x = 16,945,905,492.63/140,862.24
  6. Step 6: Final answer
    x = 120,301.26

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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.