Home / 231,516.36-349,009.78-216,085.22

Finding the Fourth Proportional to 231,516.36, 349,009.78 and 216,085.22

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Solution

The fourth proportional to 231,516.36, 349,009.78 and 216,085.22 is: 325,747.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,516.36 : 349,009.78 = 216,085.22 : x
  2. Step 2: Convert to fraction form
    231,516.36/349,009.78 = 216,085.22/x
  3. Step 3: Cross multiply
    231,516.36x = 349,009.78 × 216,085.22
  4. Step 4: Simplify right side
    231,516.36x = 75,415,855,093.45
  5. Step 5: Solve for x
    x = 75,415,855,093.45/231,516.36
  6. Step 6: Final answer
    x = 325,747.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.