Home / 190,156.32-285,266.88-95,431.68

Finding the Fourth Proportional to 190,156.32, 285,266.88 and 95,431.68

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Solution

The fourth proportional to 190,156.32, 285,266.88 and 95,431.68 is: 143,163.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,156.32 : 285,266.88 = 95,431.68 : x
  2. Step 2: Convert to fraction form
    190,156.32/285,266.88 = 95,431.68/x
  3. Step 3: Cross multiply
    190,156.32x = 285,266.88 × 95,431.68
  4. Step 4: Simplify right side
    190,156.32x = 27,223,497,606.76
  5. Step 5: Solve for x
    x = 27,223,497,606.76/190,156.32
  6. Step 6: Final answer
    x = 143,163.78

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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.