Home / 525,819.07-788,861.66-146,739.76

Finding the Fourth Proportional to 525,819.07, 788,861.66 and 146,739.76

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Solution

The fourth proportional to 525,819.07, 788,861.66 and 146,739.76 is: 220,146.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,819.07 : 788,861.66 = 146,739.76 : x
  2. Step 2: Convert to fraction form
    525,819.07/788,861.66 = 146,739.76/x
  3. Step 3: Cross multiply
    525,819.07x = 788,861.66 × 146,739.76
  4. Step 4: Simplify right side
    525,819.07x = 115,757,370,661.60
  5. Step 5: Solve for x
    x = 115,757,370,661.60/525,819.07
  6. Step 6: Final answer
    x = 220,146.77

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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.