Home / 350,823.50-526,104.64-126,122.62

Finding the Fourth Proportional to 350,823.50, 526,104.64 and 126,122.62

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Solution

The fourth proportional to 350,823.50, 526,104.64 and 126,122.62 is: 189,136.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,823.50 : 526,104.64 = 126,122.62 : x
  2. Step 2: Convert to fraction form
    350,823.50/526,104.64 = 126,122.62/x
  3. Step 3: Cross multiply
    350,823.50x = 526,104.64 × 126,122.62
  4. Step 4: Simplify right side
    350,823.50x = 66,353,695,590.96
  5. Step 5: Solve for x
    x = 66,353,695,590.96/350,823.50
  6. Step 6: Final answer
    x = 189,136.98

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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.