Home / 214,946.70-322,040.40-130,534.62

Finding the Fourth Proportional to 214,946.70, 322,040.40 and 130,534.62

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Solution

The fourth proportional to 214,946.70, 322,040.40 and 130,534.62 is: 195,571.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,946.70 : 322,040.40 = 130,534.62 : x
  2. Step 2: Convert to fraction form
    214,946.70/322,040.40 = 130,534.62/x
  3. Step 3: Cross multiply
    214,946.70x = 322,040.40 × 130,534.62
  4. Step 4: Simplify right side
    214,946.70x = 42,037,421,238.65
  5. Step 5: Solve for x
    x = 42,037,421,238.65/214,946.70
  6. Step 6: Final answer
    x = 195,571.37

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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.