Home / 209,827.31-314,833.95-109,963.73

Finding the Fourth Proportional to 209,827.31, 314,833.95 and 109,963.73

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Solution

The fourth proportional to 209,827.31, 314,833.95 and 109,963.73 is: 164,994.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,827.31 : 314,833.95 = 109,963.73 : x
  2. Step 2: Convert to fraction form
    209,827.31/314,833.95 = 109,963.73/x
  3. Step 3: Cross multiply
    209,827.31x = 314,833.95 × 109,963.73
  4. Step 4: Simplify right side
    209,827.31x = 34,620,316,259.72
  5. Step 5: Solve for x
    x = 34,620,316,259.72/209,827.31
  6. Step 6: Final answer
    x = 164,994.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.