Home / 351,004.60-525,902.10-163,631.80

Finding the Fourth Proportional to 351,004.60, 525,902.10 and 163,631.80

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Solution

The fourth proportional to 351,004.60, 525,902.10 and 163,631.80 is: 245,165.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,004.60 : 525,902.10 = 163,631.80 : x
  2. Step 2: Convert to fraction form
    351,004.60/525,902.10 = 163,631.80/x
  3. Step 3: Cross multiply
    351,004.60x = 525,902.10 × 163,631.80
  4. Step 4: Simplify right side
    351,004.60x = 86,054,307,246.78
  5. Step 5: Solve for x
    x = 86,054,307,246.78/351,004.60
  6. Step 6: Final answer
    x = 245,165.75

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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.