Home / 178,743.12-268,114.41-45,623.37

Finding the Fourth Proportional to 178,743.12, 268,114.41 and 45,623.37

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Solution

The fourth proportional to 178,743.12, 268,114.41 and 45,623.37 is: 68,434.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,743.12 : 268,114.41 = 45,623.37 : x
  2. Step 2: Convert to fraction form
    178,743.12/268,114.41 = 45,623.37/x
  3. Step 3: Cross multiply
    178,743.12x = 268,114.41 × 45,623.37
  4. Step 4: Simplify right side
    178,743.12x = 12,232,282,929.76
  5. Step 5: Solve for x
    x = 12,232,282,929.76/178,743.12
  6. Step 6: Final answer
    x = 68,434.99

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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.