Home / 95,816.69-143,852.20-81,866.36

Finding the Fourth Proportional to 95,816.69, 143,852.20 and 81,866.36

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Solution

The fourth proportional to 95,816.69, 143,852.20 and 81,866.36 is: 122,908.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,816.69 : 143,852.20 = 81,866.36 : x
  2. Step 2: Convert to fraction form
    95,816.69/143,852.20 = 81,866.36/x
  3. Step 3: Cross multiply
    95,816.69x = 143,852.20 × 81,866.36
  4. Step 4: Simplify right side
    95,816.69x = 11,776,655,991.99
  5. Step 5: Solve for x
    x = 11,776,655,991.99/95,816.69
  6. Step 6: Final answer
    x = 122,908.19

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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.