Home / 190,933.43-286,437.03-72,595.58

Finding the Fourth Proportional to 190,933.43, 286,437.03 and 72,595.58

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Solution

The fourth proportional to 190,933.43, 286,437.03 and 72,595.58 is: 108,907.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,933.43 : 286,437.03 = 72,595.58 : x
  2. Step 2: Convert to fraction form
    190,933.43/286,437.03 = 72,595.58/x
  3. Step 3: Cross multiply
    190,933.43x = 286,437.03 × 72,595.58
  4. Step 4: Simplify right side
    190,933.43x = 20,794,060,894.14
  5. Step 5: Solve for x
    x = 20,794,060,894.14/190,933.43
  6. Step 6: Final answer
    x = 108,907.39

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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.