Home / 525,818.82-788,861.28-146,739.52

Finding the Fourth Proportional to 525,818.82, 788,861.28 and 146,739.52

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Solution

The fourth proportional to 525,818.82, 788,861.28 and 146,739.52 is: 220,146.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,818.82 : 788,861.28 = 146,739.52 : x
  2. Step 2: Convert to fraction form
    525,818.82/788,861.28 = 146,739.52/x
  3. Step 3: Cross multiply
    525,818.82x = 788,861.28 × 146,739.52
  4. Step 4: Simplify right side
    525,818.82x = 115,757,125,573.79
  5. Step 5: Solve for x
    x = 115,757,125,573.79/525,818.82
  6. Step 6: Final answer
    x = 220,146.41

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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.