Home / 217,176.91-299,703.93-121,684.29

Finding the Fourth Proportional to 217,176.91, 299,703.93 and 121,684.29

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Solution

The fourth proportional to 217,176.91, 299,703.93 and 121,684.29 is: 167,924.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,176.91 : 299,703.93 = 121,684.29 : x
  2. Step 2: Convert to fraction form
    217,176.91/299,703.93 = 121,684.29/x
  3. Step 3: Cross multiply
    217,176.91x = 299,703.93 × 121,684.29
  4. Step 4: Simplify right side
    217,176.91x = 36,469,258,808.37
  5. Step 5: Solve for x
    x = 36,469,258,808.37/217,176.91
  6. Step 6: Final answer
    x = 167,924.20

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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.