Home / 190,699.68-286,040.22-70,779.96

Finding the Fourth Proportional to 190,699.68, 286,040.22 and 70,779.96

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Solution

The fourth proportional to 190,699.68, 286,040.22 and 70,779.96 is: 106,166.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,699.68 : 286,040.22 = 70,779.96 : x
  2. Step 2: Convert to fraction form
    190,699.68/286,040.22 = 70,779.96/x
  3. Step 3: Cross multiply
    190,699.68x = 286,040.22 × 70,779.96
  4. Step 4: Simplify right side
    190,699.68x = 20,245,915,329.99
  5. Step 5: Solve for x
    x = 20,245,915,329.99/190,699.68
  6. Step 6: Final answer
    x = 106,166.49

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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.