Home / 154,787.30-232,181.75-70,488.68

Finding the Fourth Proportional to 154,787.30, 232,181.75 and 70,488.68

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Solution

The fourth proportional to 154,787.30, 232,181.75 and 70,488.68 is: 105,733.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,787.30 : 232,181.75 = 70,488.68 : x
  2. Step 2: Convert to fraction form
    154,787.30/232,181.75 = 70,488.68/x
  3. Step 3: Cross multiply
    154,787.30x = 232,181.75 × 70,488.68
  4. Step 4: Simplify right side
    154,787.30x = 16,366,184,092.90
  5. Step 5: Solve for x
    x = 16,366,184,092.90/154,787.30
  6. Step 6: Final answer
    x = 105,733.38

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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.