Home / 525,819.22-788,861.52-146,739.64

Finding the Fourth Proportional to 525,819.22, 788,861.52 and 146,739.64

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Solution

The fourth proportional to 525,819.22, 788,861.52 and 146,739.64 is: 220,146.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,819.22 : 788,861.52 = 146,739.64 : x
  2. Step 2: Convert to fraction form
    525,819.22/788,861.52 = 146,739.64/x
  3. Step 3: Cross multiply
    525,819.22x = 788,861.52 × 146,739.64
  4. Step 4: Simplify right side
    525,819.22x = 115,757,255,454.65
  5. Step 5: Solve for x
    x = 115,757,255,454.65/525,819.22
  6. Step 6: Final answer
    x = 220,146.49

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1.5x scale

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.