Home / 211,541.25-291,935.57-122,117.25

Finding the Fourth Proportional to 211,541.25, 291,935.57 and 122,117.25

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Solution

The fourth proportional to 211,541.25, 291,935.57 and 122,117.25 is: 168,526.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,541.25 : 291,935.57 = 122,117.25 : x
  2. Step 2: Convert to fraction form
    211,541.25/291,935.57 = 122,117.25/x
  3. Step 3: Cross multiply
    211,541.25x = 291,935.57 × 122,117.25
  4. Step 4: Simplify right side
    211,541.25x = 35,650,368,375.00
  5. Step 5: Solve for x
    x = 35,650,368,375.00/211,541.25
  6. Step 6: Final answer
    x = 168,526.79

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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.