Home / 216,867.26-299,308.23-124,968.66

Finding the Fourth Proportional to 216,867.26, 299,308.23 and 124,968.66

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Solution

The fourth proportional to 216,867.26, 299,308.23 and 124,968.66 is: 172,474.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,867.26 : 299,308.23 = 124,968.66 : x
  2. Step 2: Convert to fraction form
    216,867.26/299,308.23 = 124,968.66/x
  3. Step 3: Cross multiply
    216,867.26x = 299,308.23 × 124,968.66
  4. Step 4: Simplify right side
    216,867.26x = 37,404,148,430.07
  5. Step 5: Solve for x
    x = 37,404,148,430.07/216,867.26
  6. Step 6: Final answer
    x = 172,474.86

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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.