Home / 317,166.13-475,985.73-127,628.19

Finding the Fourth Proportional to 317,166.13, 475,985.73 and 127,628.19

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Solution

The fourth proportional to 317,166.13, 475,985.73 and 127,628.19 is: 191,537.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,166.13 : 475,985.73 = 127,628.19 : x
  2. Step 2: Convert to fraction form
    317,166.13/475,985.73 = 127,628.19/x
  3. Step 3: Cross multiply
    317,166.13x = 475,985.73 × 127,628.19
  4. Step 4: Simplify right side
    317,166.13x = 60,749,197,664.33
  5. Step 5: Solve for x
    x = 60,749,197,664.33/317,166.13
  6. Step 6: Final answer
    x = 191,537.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.