Home / 210,536.44-290,542.32-115,043.12

Finding the Fourth Proportional to 210,536.44, 290,542.32 and 115,043.12

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Solution

The fourth proportional to 210,536.44, 290,542.32 and 115,043.12 is: 158,760.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,536.44 : 290,542.32 = 115,043.12 : x
  2. Step 2: Convert to fraction form
    210,536.44/290,542.32 = 115,043.12/x
  3. Step 3: Cross multiply
    210,536.44x = 290,542.32 × 115,043.12
  4. Step 4: Simplify right side
    210,536.44x = 33,424,894,984.84
  5. Step 5: Solve for x
    x = 33,424,894,984.84/210,536.44
  6. Step 6: Final answer
    x = 158,760.62

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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.