Home / 350,984.60-525,872.10-163,611.80

Finding the Fourth Proportional to 350,984.60, 525,872.10 and 163,611.80

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Solution

The fourth proportional to 350,984.60, 525,872.10 and 163,611.80 is: 245,135.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,984.60 : 525,872.10 = 163,611.80 : x
  2. Step 2: Convert to fraction form
    350,984.60/525,872.10 = 163,611.80/x
  3. Step 3: Cross multiply
    350,984.60x = 525,872.10 × 163,611.80
  4. Step 4: Simplify right side
    350,984.60x = 86,038,880,850.78
  5. Step 5: Solve for x
    x = 86,038,880,850.78/350,984.60
  6. Step 6: Final answer
    x = 245,135.77

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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.