Home / 291,556.56-402,348.74-164,232.16

Finding the Fourth Proportional to 291,556.56, 402,348.74 and 164,232.16

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Solution

The fourth proportional to 291,556.56, 402,348.74 and 164,232.16 is: 226,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,556.56 : 402,348.74 = 164,232.16 : x
  2. Step 2: Convert to fraction form
    291,556.56/402,348.74 = 164,232.16/x
  3. Step 3: Cross multiply
    291,556.56x = 402,348.74 × 164,232.16
  4. Step 4: Simplify right side
    291,556.56x = 66,078,600,816.45
  5. Step 5: Solve for x
    x = 66,078,600,816.45/291,556.56
  6. Step 6: Final answer
    x = 226,640.76

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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.