Home / 235,868.46-325,504.32-128,444.38

Finding the Fourth Proportional to 235,868.46, 325,504.32 and 128,444.38

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Solution

The fourth proportional to 235,868.46, 325,504.32 and 128,444.38 is: 177,256.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,868.46 : 325,504.32 = 128,444.38 : x
  2. Step 2: Convert to fraction form
    235,868.46/325,504.32 = 128,444.38/x
  3. Step 3: Cross multiply
    235,868.46x = 325,504.32 × 128,444.38
  4. Step 4: Simplify right side
    235,868.46x = 41,809,200,569.72
  5. Step 5: Solve for x
    x = 41,809,200,569.72/235,868.46
  6. Step 6: Final answer
    x = 177,256.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.