Home / 190,393.24-262,744.20-105,511.72

Finding the Fourth Proportional to 190,393.24, 262,744.20 and 105,511.72

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Solution

The fourth proportional to 190,393.24, 262,744.20 and 105,511.72 is: 145,607.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,393.24 : 262,744.20 = 105,511.72 : x
  2. Step 2: Convert to fraction form
    190,393.24/262,744.20 = 105,511.72/x
  3. Step 3: Cross multiply
    190,393.24x = 262,744.20 × 105,511.72
  4. Step 4: Simplify right side
    190,393.24x = 27,722,592,462.02
  5. Step 5: Solve for x
    x = 27,722,592,462.02/190,393.24
  6. Step 6: Final answer
    x = 145,607.02

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1.5x scale

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.