Home / 183,430.40-253,186.44-108,022.64

Finding the Fourth Proportional to 183,430.40, 253,186.44 and 108,022.64

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Solution

The fourth proportional to 183,430.40, 253,186.44 and 108,022.64 is: 149,102.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,430.40 : 253,186.44 = 108,022.64 : x
  2. Step 2: Convert to fraction form
    183,430.40/253,186.44 = 108,022.64/x
  3. Step 3: Cross multiply
    183,430.40x = 253,186.44 × 108,022.64
  4. Step 4: Simplify right side
    183,430.40x = 27,349,867,661.00
  5. Step 5: Solve for x
    x = 27,349,867,661.00/183,430.40
  6. Step 6: Final answer
    x = 149,102.15

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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.