Home / 190,182.85-262,460.53-105,299.91

Finding the Fourth Proportional to 190,182.85, 262,460.53 and 105,299.91

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Solution

The fourth proportional to 190,182.85, 262,460.53 and 105,299.91 is: 145,318.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,182.85 : 262,460.53 = 105,299.91 : x
  2. Step 2: Convert to fraction form
    190,182.85/262,460.53 = 105,299.91/x
  3. Step 3: Cross multiply
    190,182.85x = 262,460.53 × 105,299.91
  4. Step 4: Simplify right side
    190,182.85x = 27,637,069,924.30
  5. Step 5: Solve for x
    x = 27,637,069,924.30/190,182.85
  6. Step 6: Final answer
    x = 145,318.41

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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.