Home / 183,770.48-253,370.76-120,007.28

Finding the Fourth Proportional to 183,770.48, 253,370.76 and 120,007.28

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Solution

The fourth proportional to 183,770.48, 253,370.76 and 120,007.28 is: 165,458.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,770.48 : 253,370.76 = 120,007.28 : x
  2. Step 2: Convert to fraction form
    183,770.48/253,370.76 = 120,007.28/x
  3. Step 3: Cross multiply
    183,770.48x = 253,370.76 × 120,007.28
  4. Step 4: Simplify right side
    183,770.48x = 30,406,335,739.13
  5. Step 5: Solve for x
    x = 30,406,335,739.13/183,770.48
  6. Step 6: Final answer
    x = 165,458.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.