Home / 183,430.43-253,026.75-115,339.60

Finding the Fourth Proportional to 183,430.43, 253,026.75 and 115,339.60

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Solution

The fourth proportional to 183,430.43, 253,026.75 and 115,339.60 is: 159,101.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,430.43 : 253,026.75 = 115,339.60 : x
  2. Step 2: Convert to fraction form
    183,430.43/253,026.75 = 115,339.60/x
  3. Step 3: Cross multiply
    183,430.43x = 253,026.75 × 115,339.60
  4. Step 4: Simplify right side
    183,430.43x = 29,184,004,134.30
  5. Step 5: Solve for x
    x = 29,184,004,134.30/183,430.43
  6. Step 6: Final answer
    x = 159,101.21

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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.