Home / 148,942.83-223,430.67-43,770

Finding the Fourth Proportional to 148,942.83, 223,430.67 and 43,770

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Solution

The fourth proportional to 148,942.83, 223,430.67 and 43,770 is: 65,659.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,942.83 : 223,430.67 = 43,770 : x
  2. Step 2: Convert to fraction form
    148,942.83/223,430.67 = 43,770/x
  3. Step 3: Cross multiply
    148,942.83x = 223,430.67 × 43,770
  4. Step 4: Simplify right side
    148,942.83x = 9,779,560,425.90
  5. Step 5: Solve for x
    x = 9,779,560,425.90/148,942.83
  6. Step 6: Final answer
    x = 65,659.83

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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.