Home / 183,787.10-275,680.65-72,979.10

Finding the Fourth Proportional to 183,787.10, 275,680.65 and 72,979.10

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Solution

The fourth proportional to 183,787.10, 275,680.65 and 72,979.10 is: 109,468.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,787.10 : 275,680.65 = 72,979.10 : x
  2. Step 2: Convert to fraction form
    183,787.10/275,680.65 = 72,979.10/x
  3. Step 3: Cross multiply
    183,787.10x = 275,680.65 × 72,979.10
  4. Step 4: Simplify right side
    183,787.10x = 20,118,925,724.42
  5. Step 5: Solve for x
    x = 20,118,925,724.42/183,787.10
  6. Step 6: Final answer
    x = 109,468.65

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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.