Home / 259,683.32-389,686.26-166,256.12

Finding the Fourth Proportional to 259,683.32, 389,686.26 and 166,256.12

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Solution

The fourth proportional to 259,683.32, 389,686.26 and 166,256.12 is: 249,487.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,683.32 : 389,686.26 = 166,256.12 : x
  2. Step 2: Convert to fraction form
    259,683.32/389,686.26 = 166,256.12/x
  3. Step 3: Cross multiply
    259,683.32x = 389,686.26 × 166,256.12
  4. Step 4: Simplify right side
    259,683.32x = 64,787,725,604.91
  5. Step 5: Solve for x
    x = 64,787,725,604.91/259,683.32
  6. Step 6: Final answer
    x = 249,487.44

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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.