Home / 389,592.09-583,945.20-164,812.23

Finding the Fourth Proportional to 389,592.09, 583,945.20 and 164,812.23

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Solution

The fourth proportional to 389,592.09, 583,945.20 and 164,812.23 is: 247,030.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,592.09 : 583,945.20 = 164,812.23 : x
  2. Step 2: Convert to fraction form
    389,592.09/583,945.20 = 164,812.23/x
  3. Step 3: Cross multiply
    389,592.09x = 583,945.20 × 164,812.23
  4. Step 4: Simplify right side
    389,592.09x = 96,241,310,609.80
  5. Step 5: Solve for x
    x = 96,241,310,609.80/389,592.09
  6. Step 6: Final answer
    x = 247,030.97

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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.