Home / 283,926.07-426,151.55-143,783.11

Finding the Fourth Proportional to 283,926.07, 426,151.55 and 143,783.11

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Solution

The fourth proportional to 283,926.07, 426,151.55 and 143,783.11 is: 215,807.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,926.07 : 426,151.55 = 143,783.11 : x
  2. Step 2: Convert to fraction form
    283,926.07/426,151.55 = 143,783.11/x
  3. Step 3: Cross multiply
    283,926.07x = 426,151.55 × 143,783.11
  4. Step 4: Simplify right side
    283,926.07x = 61,273,395,190.32
  5. Step 5: Solve for x
    x = 61,273,395,190.32/283,926.07
  6. Step 6: Final answer
    x = 215,807.57

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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.