Home / 282,876.24-390,346.20-166,571.40

Finding the Fourth Proportional to 282,876.24, 390,346.20 and 166,571.40

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Solution

The fourth proportional to 282,876.24, 390,346.20 and 166,571.40 is: 229,854.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,876.24 : 390,346.20 = 166,571.40 : x
  2. Step 2: Convert to fraction form
    282,876.24/390,346.20 = 166,571.40/x
  3. Step 3: Cross multiply
    282,876.24x = 390,346.20 × 166,571.40
  4. Step 4: Simplify right side
    282,876.24x = 65,020,513,018.68
  5. Step 5: Solve for x
    x = 65,020,513,018.68/282,876.24
  6. Step 6: Final answer
    x = 229,854.98

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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.