Home / 216,895.22-299,258.64-124,992.02

Finding the Fourth Proportional to 216,895.22, 299,258.64 and 124,992.02

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Solution

The fourth proportional to 216,895.22, 299,258.64 and 124,992.02 is: 172,456.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,895.22 : 299,258.64 = 124,992.02 : x
  2. Step 2: Convert to fraction form
    216,895.22/299,258.64 = 124,992.02/x
  3. Step 3: Cross multiply
    216,895.22x = 299,258.64 × 124,992.02
  4. Step 4: Simplify right side
    216,895.22x = 37,404,941,916.05
  5. Step 5: Solve for x
    x = 37,404,941,916.05/216,895.22
  6. Step 6: Final answer
    x = 172,456.28

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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.