Home / 389,005.65-583,587.09-164,366.73

Finding the Fourth Proportional to 389,005.65, 583,587.09 and 164,366.73

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Solution

The fourth proportional to 389,005.65, 583,587.09 and 164,366.73 is: 246,583.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,005.65 : 583,587.09 = 164,366.73 : x
  2. Step 2: Convert to fraction form
    389,005.65/583,587.09 = 164,366.73/x
  3. Step 3: Cross multiply
    389,005.65x = 583,587.09 × 164,366.73
  4. Step 4: Simplify right side
    389,005.65x = 95,922,301,653.52
  5. Step 5: Solve for x
    x = 95,922,301,653.52/389,005.65
  6. Step 6: Final answer
    x = 246,583.31

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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.