Home / 117,829.60-176,744.40-104,927.20

Finding the Fourth Proportional to 117,829.60, 176,744.40 and 104,927.20

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Solution

The fourth proportional to 117,829.60, 176,744.40 and 104,927.20 is: 157,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,829.60 : 176,744.40 = 104,927.20 : x
  2. Step 2: Convert to fraction form
    117,829.60/176,744.40 = 104,927.20/x
  3. Step 3: Cross multiply
    117,829.60x = 176,744.40 × 104,927.20
  4. Step 4: Simplify right side
    117,829.60x = 18,545,295,007.68
  5. Step 5: Solve for x
    x = 18,545,295,007.68/117,829.60
  6. Step 6: Final answer
    x = 157,390.80

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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.