Home / 199,916.73-275,859.54-113,886.63

Finding the Fourth Proportional to 199,916.73, 275,859.54 and 113,886.63

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Solution

The fourth proportional to 199,916.73, 275,859.54 and 113,886.63 is: 157,149.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,916.73 : 275,859.54 = 113,886.63 : x
  2. Step 2: Convert to fraction form
    199,916.73/275,859.54 = 113,886.63/x
  3. Step 3: Cross multiply
    199,916.73x = 275,859.54 × 113,886.63
  4. Step 4: Simplify right side
    199,916.73x = 31,416,713,363.95
  5. Step 5: Solve for x
    x = 31,416,713,363.95/199,916.73
  6. Step 6: Final answer
    x = 157,149.00

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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.