Home / 389,605.32-583,965.45-164,825.46

Finding the Fourth Proportional to 389,605.32, 583,965.45 and 164,825.46

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Solution

The fourth proportional to 389,605.32, 583,965.45 and 164,825.46 is: 247,050.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,605.32 : 583,965.45 = 164,825.46 : x
  2. Step 2: Convert to fraction form
    389,605.32/583,965.45 = 164,825.46/x
  3. Step 3: Cross multiply
    389,605.32x = 583,965.45 × 164,825.46
  4. Step 4: Simplify right side
    389,605.32x = 96,252,373,920.36
  5. Step 5: Solve for x
    x = 96,252,373,920.36/389,605.32
  6. Step 6: Final answer
    x = 247,050.97

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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.