Home / 178,788.65-246,793.08-118,378.76

Finding the Fourth Proportional to 178,788.65, 246,793.08 and 118,378.76

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Solution

The fourth proportional to 178,788.65, 246,793.08 and 118,378.76 is: 163,405.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,788.65 : 246,793.08 = 118,378.76 : x
  2. Step 2: Convert to fraction form
    178,788.65/246,793.08 = 118,378.76/x
  3. Step 3: Cross multiply
    178,788.65x = 246,793.08 × 118,378.76
  4. Step 4: Simplify right side
    178,788.65x = 29,215,058,786.98
  5. Step 5: Solve for x
    x = 29,215,058,786.98/178,788.65
  6. Step 6: Final answer
    x = 163,405.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.