Home / 216,747.72-299,054.22-148,785.48

Finding the Fourth Proportional to 216,747.72, 299,054.22 and 148,785.48

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Solution

The fourth proportional to 216,747.72, 299,054.22 and 148,785.48 is: 205,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,747.72 : 299,054.22 = 148,785.48 : x
  2. Step 2: Convert to fraction form
    216,747.72/299,054.22 = 148,785.48/x
  3. Step 3: Cross multiply
    216,747.72x = 299,054.22 × 148,785.48
  4. Step 4: Simplify right side
    216,747.72x = 44,494,925,668.73
  5. Step 5: Solve for x
    x = 44,494,925,668.73/216,747.72
  6. Step 6: Final answer
    x = 205,284.40

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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.