Home / 389,581.40-583,934.70-164,903.60

Finding the Fourth Proportional to 389,581.40, 583,934.70 and 164,903.60

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Solution

The fourth proportional to 389,581.40, 583,934.70 and 164,903.60 is: 247,170.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,581.40 : 583,934.70 = 164,903.60 : x
  2. Step 2: Convert to fraction form
    389,581.40/583,934.70 = 164,903.60/x
  3. Step 3: Cross multiply
    389,581.40x = 583,934.70 × 164,903.60
  4. Step 4: Simplify right side
    389,581.40x = 96,292,934,194.92
  5. Step 5: Solve for x
    x = 96,292,934,194.92/389,581.40
  6. Step 6: Final answer
    x = 247,170.26

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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.