Home / 214,837.10-322,255.65-121,525.10

Finding the Fourth Proportional to 214,837.10, 322,255.65 and 121,525.10

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Solution

The fourth proportional to 214,837.10, 322,255.65 and 121,525.10 is: 182,287.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,837.10 : 322,255.65 = 121,525.10 : x
  2. Step 2: Convert to fraction form
    214,837.10/322,255.65 = 121,525.10/x
  3. Step 3: Cross multiply
    214,837.10x = 322,255.65 × 121,525.10
  4. Step 4: Simplify right side
    214,837.10x = 39,162,150,091.82
  5. Step 5: Solve for x
    x = 39,162,150,091.82/214,837.10
  6. Step 6: Final answer
    x = 182,287.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.