Home / 286,465.41-395,333.26-157,409.33

Finding the Fourth Proportional to 286,465.41, 395,333.26 and 157,409.33

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Solution

The fourth proportional to 286,465.41, 395,333.26 and 157,409.33 is: 217,230.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,465.41 : 395,333.26 = 157,409.33 : x
  2. Step 2: Convert to fraction form
    286,465.41/395,333.26 = 157,409.33/x
  3. Step 3: Cross multiply
    286,465.41x = 395,333.26 × 157,409.33
  4. Step 4: Simplify right side
    286,465.41x = 62,229,141,213.13
  5. Step 5: Solve for x
    x = 62,229,141,213.13/286,465.41
  6. Step 6: Final answer
    x = 217,230.91

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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.