Home / 211,639.42-292,067.94-121,010.14

Finding the Fourth Proportional to 211,639.42, 292,067.94 and 121,010.14

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Solution

The fourth proportional to 211,639.42, 292,067.94 and 121,010.14 is: 166,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,639.42 : 292,067.94 = 121,010.14 : x
  2. Step 2: Convert to fraction form
    211,639.42/292,067.94 = 121,010.14/x
  3. Step 3: Cross multiply
    211,639.42x = 292,067.94 × 121,010.14
  4. Step 4: Simplify right side
    211,639.42x = 35,343,182,308.91
  5. Step 5: Solve for x
    x = 35,343,182,308.91/211,639.42
  6. Step 6: Final answer
    x = 166,997.16

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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.