Home / 350,722.20-525,824.10-193,128.60

Finding the Fourth Proportional to 350,722.20, 525,824.10 and 193,128.60

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Solution

The fourth proportional to 350,722.20, 525,824.10 and 193,128.60 is: 289,550.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,722.20 : 525,824.10 = 193,128.60 : x
  2. Step 2: Convert to fraction form
    350,722.20/525,824.10 = 193,128.60/x
  3. Step 3: Cross multiply
    350,722.20x = 525,824.10 × 193,128.60
  4. Step 4: Simplify right side
    350,722.20x = 101,551,672,279.26
  5. Step 5: Solve for x
    x = 101,551,672,279.26/350,722.20
  6. Step 6: Final answer
    x = 289,550.17

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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.