Home / 140,764.56-194,181.48-87,032.40

Finding the Fourth Proportional to 140,764.56, 194,181.48 and 87,032.40

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Solution

The fourth proportional to 140,764.56, 194,181.48 and 87,032.40 is: 120,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,764.56 : 194,181.48 = 87,032.40 : x
  2. Step 2: Convert to fraction form
    140,764.56/194,181.48 = 87,032.40/x
  3. Step 3: Cross multiply
    140,764.56x = 194,181.48 × 87,032.40
  4. Step 4: Simplify right side
    140,764.56x = 16,900,080,239.95
  5. Step 5: Solve for x
    x = 16,900,080,239.95/140,764.56
  6. Step 6: Final answer
    x = 120,059.20

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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.