Home / 141,764.31-212,676.98-70,725.15

Finding the Fourth Proportional to 141,764.31, 212,676.98 and 70,725.15

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Solution

The fourth proportional to 141,764.31, 212,676.98 and 70,725.15 is: 106,102.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,764.31 : 212,676.98 = 70,725.15 : x
  2. Step 2: Convert to fraction form
    141,764.31/212,676.98 = 70,725.15/x
  3. Step 3: Cross multiply
    141,764.31x = 212,676.98 × 70,725.15
  4. Step 4: Simplify right side
    141,764.31x = 15,041,610,958.42
  5. Step 5: Solve for x
    x = 15,041,610,958.42/141,764.31
  6. Step 6: Final answer
    x = 106,102.95

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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.