Home / 217,087.41-299,571.93-121,589.22

Finding the Fourth Proportional to 217,087.41, 299,571.93 and 121,589.22

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Solution

The fourth proportional to 217,087.41, 299,571.93 and 121,589.22 is: 167,788.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,087.41 : 299,571.93 = 121,589.22 : x
  2. Step 2: Convert to fraction form
    217,087.41/299,571.93 = 121,589.22/x
  3. Step 3: Cross multiply
    217,087.41x = 299,571.93 × 121,589.22
  4. Step 4: Simplify right side
    217,087.41x = 36,424,717,302.59
  5. Step 5: Solve for x
    x = 36,424,717,302.59/217,087.41
  6. Step 6: Final answer
    x = 167,788.25

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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.