Home / 115,770.26-159,609.80-83,477.85

Finding the Fourth Proportional to 115,770.26, 159,609.80 and 83,477.85

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Solution

The fourth proportional to 115,770.26, 159,609.80 and 83,477.85 is: 115,089.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,770.26 : 159,609.80 = 83,477.85 : x
  2. Step 2: Convert to fraction form
    115,770.26/159,609.80 = 83,477.85/x
  3. Step 3: Cross multiply
    115,770.26x = 159,609.80 × 83,477.85
  4. Step 4: Simplify right side
    115,770.26x = 13,323,882,525.54
  5. Step 5: Solve for x
    x = 13,323,882,525.54/115,770.26
  6. Step 6: Final answer
    x = 115,089.00

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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.