Home / 352,423.20-528,692.40-115,701.60

Finding the Fourth Proportional to 352,423.20, 528,692.40 and 115,701.60

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Solution

The fourth proportional to 352,423.20, 528,692.40 and 115,701.60 is: 173,571.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,423.20 : 528,692.40 = 115,701.60 : x
  2. Step 2: Convert to fraction form
    352,423.20/528,692.40 = 115,701.60/x
  3. Step 3: Cross multiply
    352,423.20x = 528,692.40 × 115,701.60
  4. Step 4: Simplify right side
    352,423.20x = 61,170,556,587.84
  5. Step 5: Solve for x
    x = 61,170,556,587.84/352,423.20
  6. Step 6: Final answer
    x = 173,571.31

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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.