Home / 176,538.30-243,643.26-104,917.69

Finding the Fourth Proportional to 176,538.30, 243,643.26 and 104,917.69

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Solution

The fourth proportional to 176,538.30, 243,643.26 and 104,917.69 is: 144,798.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,538.30 : 243,643.26 = 104,917.69 : x
  2. Step 2: Convert to fraction form
    176,538.30/243,643.26 = 104,917.69/x
  3. Step 3: Cross multiply
    176,538.30x = 243,643.26 × 104,917.69
  4. Step 4: Simplify right side
    176,538.30x = 25,562,488,023.27
  5. Step 5: Solve for x
    x = 25,562,488,023.27/176,538.30
  6. Step 6: Final answer
    x = 144,798.54

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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.