Home / 190,933.68-286,437.39-72,595.82

Finding the Fourth Proportional to 190,933.68, 286,437.39 and 72,595.82

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Solution

The fourth proportional to 190,933.68, 286,437.39 and 72,595.82 is: 108,907.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,933.68 : 286,437.39 = 72,595.82 : x
  2. Step 2: Convert to fraction form
    190,933.68/286,437.39 = 72,595.82/x
  3. Step 3: Cross multiply
    190,933.68x = 286,437.39 × 72,595.82
  4. Step 4: Simplify right side
    190,933.68x = 20,794,157,119.90
  5. Step 5: Solve for x
    x = 20,794,157,119.90/190,933.68
  6. Step 6: Final answer
    x = 108,907.75

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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.