Home / 525,902.10-788,985.78-146,822.49

Finding the Fourth Proportional to 525,902.10, 788,985.78 and 146,822.49

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Solution

The fourth proportional to 525,902.10, 788,985.78 and 146,822.49 is: 220,270.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,902.10 : 788,985.78 = 146,822.49 : x
  2. Step 2: Convert to fraction form
    525,902.10/788,985.78 = 146,822.49/x
  3. Step 3: Cross multiply
    525,902.10x = 788,985.78 × 146,822.49
  4. Step 4: Simplify right side
    525,902.10x = 115,840,856,794.19
  5. Step 5: Solve for x
    x = 115,840,856,794.19/525,902.10
  6. Step 6: Final answer
    x = 220,270.76

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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.