Home / 190,583.02-263,000.55-105,698.26

Finding the Fourth Proportional to 190,583.02, 263,000.55 and 105,698.26

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Solution

The fourth proportional to 190,583.02, 263,000.55 and 105,698.26 is: 145,861.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,583.02 : 263,000.55 = 105,698.26 : x
  2. Step 2: Convert to fraction form
    190,583.02/263,000.55 = 105,698.26/x
  3. Step 3: Cross multiply
    190,583.02x = 263,000.55 × 105,698.26
  4. Step 4: Simplify right side
    190,583.02x = 27,798,700,514.04
  5. Step 5: Solve for x
    x = 27,798,700,514.04/190,583.02
  6. Step 6: Final answer
    x = 145,861.37

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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.