Home / 415,922.20-623,576.10-166,475.80

Finding the Fourth Proportional to 415,922.20, 623,576.10 and 166,475.80

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Solution

The fourth proportional to 415,922.20, 623,576.10 and 166,475.80 is: 249,590.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,922.20 : 623,576.10 = 166,475.80 : x
  2. Step 2: Convert to fraction form
    415,922.20/623,576.10 = 166,475.80/x
  3. Step 3: Cross multiply
    415,922.20x = 623,576.10 × 166,475.80
  4. Step 4: Simplify right side
    415,922.20x = 103,810,330,108.38
  5. Step 5: Solve for x
    x = 103,810,330,108.38/415,922.20
  6. Step 6: Final answer
    x = 249,590.74

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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.