Home / 190,208.22-262,487.18-105,325.28

Finding the Fourth Proportional to 190,208.22, 262,487.18 and 105,325.28

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Solution

The fourth proportional to 190,208.22, 262,487.18 and 105,325.28 is: 145,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,208.22 : 262,487.18 = 105,325.28 : x
  2. Step 2: Convert to fraction form
    190,208.22/262,487.18 = 105,325.28/x
  3. Step 3: Cross multiply
    190,208.22x = 262,487.18 × 105,325.28
  4. Step 4: Simplify right side
    190,208.22x = 27,646,535,729.91
  5. Step 5: Solve for x
    x = 27,646,535,729.91/190,208.22
  6. Step 6: Final answer
    x = 145,348.80

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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.