Home / 211,029.57-291,220.92-115,536.24

Finding the Fourth Proportional to 211,029.57, 291,220.92 and 115,536.24

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Solution

The fourth proportional to 211,029.57, 291,220.92 and 115,536.24 is: 159,440.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,029.57 : 291,220.92 = 115,536.24 : x
  2. Step 2: Convert to fraction form
    211,029.57/291,220.92 = 115,536.24/x
  3. Step 3: Cross multiply
    211,029.57x = 291,220.92 × 115,536.24
  4. Step 4: Simplify right side
    211,029.57x = 33,646,570,106.14
  5. Step 5: Solve for x
    x = 33,646,570,106.14/211,029.57
  6. Step 6: Final answer
    x = 159,440.07

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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.