Home / 194,037.89-291,056.91-87,297.20

Finding the Fourth Proportional to 194,037.89, 291,056.91 and 87,297.20

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Solution

The fourth proportional to 194,037.89, 291,056.91 and 87,297.20 is: 130,945.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,037.89 : 291,056.91 = 87,297.20 : x
  2. Step 2: Convert to fraction form
    194,037.89/291,056.91 = 87,297.20/x
  3. Step 3: Cross multiply
    194,037.89x = 291,056.91 × 87,297.20
  4. Step 4: Simplify right side
    194,037.89x = 25,408,453,283.65
  5. Step 5: Solve for x
    x = 25,408,453,283.65/194,037.89
  6. Step 6: Final answer
    x = 130,945.83

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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.