Home / 435,218.30-652,920.74-131,586.50

Finding the Fourth Proportional to 435,218.30, 652,920.74 and 131,586.50

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Solution

The fourth proportional to 435,218.30, 652,920.74 and 131,586.50 is: 197,407.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,218.30 : 652,920.74 = 131,586.50 : x
  2. Step 2: Convert to fraction form
    435,218.30/652,920.74 = 131,586.50/x
  3. Step 3: Cross multiply
    435,218.30x = 652,920.74 × 131,586.50
  4. Step 4: Simplify right side
    435,218.30x = 85,915,556,421.83
  5. Step 5: Solve for x
    x = 85,915,556,421.83/435,218.30
  6. Step 6: Final answer
    x = 197,407.96

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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.