Home / 279,826.54-386,159.16-152,501.02

Finding the Fourth Proportional to 279,826.54, 386,159.16 and 152,501.02

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Solution

The fourth proportional to 279,826.54, 386,159.16 and 152,501.02 is: 210,450.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,826.54 : 386,159.16 = 152,501.02 : x
  2. Step 2: Convert to fraction form
    279,826.54/386,159.16 = 152,501.02/x
  3. Step 3: Cross multiply
    279,826.54x = 386,159.16 × 152,501.02
  4. Step 4: Simplify right side
    279,826.54x = 58,889,665,388.82
  5. Step 5: Solve for x
    x = 58,889,665,388.82/279,826.54
  6. Step 6: Final answer
    x = 210,450.61

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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.