Home / 104,284.36-143,866.43-70,280.46

Finding the Fourth Proportional to 104,284.36, 143,866.43 and 70,280.46

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Solution

The fourth proportional to 104,284.36, 143,866.43 and 70,280.46 is: 96,956.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,284.36 : 143,866.43 = 70,280.46 : x
  2. Step 2: Convert to fraction form
    104,284.36/143,866.43 = 70,280.46/x
  3. Step 3: Cross multiply
    104,284.36x = 143,866.43 × 70,280.46
  4. Step 4: Simplify right side
    104,284.36x = 10,110,998,791.11
  5. Step 5: Solve for x
    x = 10,110,998,791.11/104,284.36
  6. Step 6: Final answer
    x = 96,956.04

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1.5x scale

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.