Home / 389,199.78-583,824.28-164,530.64

Finding the Fourth Proportional to 389,199.78, 583,824.28 and 164,530.64

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Solution

The fourth proportional to 389,199.78, 583,824.28 and 164,530.64 is: 246,806.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,199.78 : 583,824.28 = 164,530.64 : x
  2. Step 2: Convert to fraction form
    389,199.78/583,824.28 = 164,530.64/x
  3. Step 3: Cross multiply
    389,199.78x = 583,824.28 × 164,530.64
  4. Step 4: Simplify right side
    389,199.78x = 96,056,978,694.16
  5. Step 5: Solve for x
    x = 96,056,978,694.16/389,199.78
  6. Step 6: Final answer
    x = 246,806.35

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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.