Home / 178,750.14-268,124.91-45,630.37

Finding the Fourth Proportional to 178,750.14, 268,124.91 and 45,630.37

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Solution

The fourth proportional to 178,750.14, 268,124.91 and 45,630.37 is: 68,445.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,750.14 : 268,124.91 = 45,630.37 : x
  2. Step 2: Convert to fraction form
    178,750.14/268,124.91 = 45,630.37/x
  3. Step 3: Cross multiply
    178,750.14x = 268,124.91 × 45,630.37
  4. Step 4: Simplify right side
    178,750.14x = 12,234,638,849.52
  5. Step 5: Solve for x
    x = 12,234,638,849.52/178,750.14
  6. Step 6: Final answer
    x = 68,445.48

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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.