Home / 183,939.13-253,837.67-111,343.69

Finding the Fourth Proportional to 183,939.13, 253,837.67 and 111,343.69

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Solution

The fourth proportional to 183,939.13, 253,837.67 and 111,343.69 is: 153,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,939.13 : 253,837.67 = 111,343.69 : x
  2. Step 2: Convert to fraction form
    183,939.13/253,837.67 = 111,343.69/x
  3. Step 3: Cross multiply
    183,939.13x = 253,837.67 × 111,343.69
  4. Step 4: Simplify right side
    183,939.13x = 28,263,222,482.57
  5. Step 5: Solve for x
    x = 28,263,222,482.57/183,939.13
  6. Step 6: Final answer
    x = 153,655.30

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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.