Home / 223,430.40-335,145.60-123,539.18

Finding the Fourth Proportional to 223,430.40, 335,145.60 and 123,539.18

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Solution

The fourth proportional to 223,430.40, 335,145.60 and 123,539.18 is: 185,308.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,430.40 : 335,145.60 = 123,539.18 : x
  2. Step 2: Convert to fraction form
    223,430.40/335,145.60 = 123,539.18/x
  3. Step 3: Cross multiply
    223,430.40x = 335,145.60 × 123,539.18
  4. Step 4: Simplify right side
    223,430.40x = 41,403,610,928.88
  5. Step 5: Solve for x
    x = 41,403,610,928.88/223,430.40
  6. Step 6: Final answer
    x = 185,308.76

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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.