Home / 190,780.14-286,175.64-50,538.78

Finding the Fourth Proportional to 190,780.14, 286,175.64 and 50,538.78

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Solution

The fourth proportional to 190,780.14, 286,175.64 and 50,538.78 is: 75,809.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,780.14 : 286,175.64 = 50,538.78 : x
  2. Step 2: Convert to fraction form
    190,780.14/286,175.64 = 50,538.78/x
  3. Step 3: Cross multiply
    190,780.14x = 286,175.64 × 50,538.78
  4. Step 4: Simplify right side
    190,780.14x = 14,462,967,711.32
  5. Step 5: Solve for x
    x = 14,462,967,711.32/190,780.14
  6. Step 6: Final answer
    x = 75,809.61

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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.