Home / 106,289.19-159,455.65-43,959.69

Finding the Fourth Proportional to 106,289.19, 159,455.65 and 43,959.69

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Solution

The fourth proportional to 106,289.19, 159,455.65 and 43,959.69 is: 65,948.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,289.19 : 159,455.65 = 43,959.69 : x
  2. Step 2: Convert to fraction form
    106,289.19/159,455.65 = 43,959.69/x
  3. Step 3: Cross multiply
    106,289.19x = 159,455.65 × 43,959.69
  4. Step 4: Simplify right side
    106,289.19x = 7,009,620,942.75
  5. Step 5: Solve for x
    x = 7,009,620,942.75/106,289.19
  6. Step 6: Final answer
    x = 65,948.58

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1.5x scale

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.