Home / 389,638.20-584,515.70-164,998.20

Finding the Fourth Proportional to 389,638.20, 584,515.70 and 164,998.20

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Solution

The fourth proportional to 389,638.20, 584,515.70 and 164,998.20 is: 247,522.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,638.20 : 584,515.70 = 164,998.20 : x
  2. Step 2: Convert to fraction form
    389,638.20/584,515.70 = 164,998.20/x
  3. Step 3: Cross multiply
    389,638.20x = 584,515.70 × 164,998.20
  4. Step 4: Simplify right side
    389,638.20x = 96,444,038,371.74
  5. Step 5: Solve for x
    x = 96,444,038,371.74/389,638.20
  6. Step 6: Final answer
    x = 247,522.03

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1.5x scale

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.