Home / 190,189.27-262,461.19-105,306.33

Finding the Fourth Proportional to 190,189.27, 262,461.19 and 105,306.33

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Solution

The fourth proportional to 190,189.27, 262,461.19 and 105,306.33 is: 145,322.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,189.27 : 262,461.19 = 105,306.33 : x
  2. Step 2: Convert to fraction form
    190,189.27/262,461.19 = 105,306.33/x
  3. Step 3: Cross multiply
    190,189.27x = 262,461.19 × 105,306.33
  4. Step 4: Simplify right side
    190,189.27x = 27,638,823,832.23
  5. Step 5: Solve for x
    x = 27,638,823,832.23/190,189.27
  6. Step 6: Final answer
    x = 145,322.73

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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.