Home / 279,822.94-386,158.39-152,501.27

Finding the Fourth Proportional to 279,822.94, 386,158.39 and 152,501.27

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Solution

The fourth proportional to 279,822.94, 386,158.39 and 152,501.27 is: 210,453.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,822.94 : 386,158.39 = 152,501.27 : x
  2. Step 2: Convert to fraction form
    279,822.94/386,158.39 = 152,501.27/x
  3. Step 3: Cross multiply
    279,822.94x = 386,158.39 × 152,501.27
  4. Step 4: Simplify right side
    279,822.94x = 58,889,642,584.11
  5. Step 5: Solve for x
    x = 58,889,642,584.11/279,822.94
  6. Step 6: Final answer
    x = 210,453.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.