Home / 103,185.09-154,727.63-60,502.19

Finding the Fourth Proportional to 103,185.09, 154,727.63 and 60,502.19

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Solution

The fourth proportional to 103,185.09, 154,727.63 and 60,502.19 is: 90,723.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,185.09 : 154,727.63 = 60,502.19 : x
  2. Step 2: Convert to fraction form
    103,185.09/154,727.63 = 60,502.19/x
  3. Step 3: Cross multiply
    103,185.09x = 154,727.63 × 60,502.19
  4. Step 4: Simplify right side
    103,185.09x = 9,361,360,177.15
  5. Step 5: Solve for x
    x = 9,361,360,177.15/103,185.09
  6. Step 6: Final answer
    x = 90,723.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.