Home / 389,220.57-583,909.63-164,580.64

Finding the Fourth Proportional to 389,220.57, 583,909.63 and 164,580.64

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Solution

The fourth proportional to 389,220.57, 583,909.63 and 164,580.64 is: 246,904.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,220.57 : 583,909.63 = 164,580.64 : x
  2. Step 2: Convert to fraction form
    389,220.57/583,909.63 = 164,580.64/x
  3. Step 3: Cross multiply
    389,220.57x = 583,909.63 × 164,580.64
  4. Step 4: Simplify right side
    389,220.57x = 96,100,218,736.34
  5. Step 5: Solve for x
    x = 96,100,218,736.34/389,220.57
  6. Step 6: Final answer
    x = 246,904.26

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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.