Home / 460,234.45-690,346.20-118,676.08

Finding the Fourth Proportional to 460,234.45, 690,346.20 and 118,676.08

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Solution

The fourth proportional to 460,234.45, 690,346.20 and 118,676.08 is: 178,012.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,234.45 : 690,346.20 = 118,676.08 : x
  2. Step 2: Convert to fraction form
    460,234.45/690,346.20 = 118,676.08/x
  3. Step 3: Cross multiply
    460,234.45x = 690,346.20 × 118,676.08
  4. Step 4: Simplify right side
    460,234.45x = 81,927,579,133.03
  5. Step 5: Solve for x
    x = 81,927,579,133.03/460,234.45
  6. Step 6: Final answer
    x = 178,012.71

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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.