Home / 286,768.12-395,744.59-157,712.24

Finding the Fourth Proportional to 286,768.12, 395,744.59 and 157,712.24

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Solution

The fourth proportional to 286,768.12, 395,744.59 and 157,712.24 is: 217,645.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,768.12 : 395,744.59 = 157,712.24 : x
  2. Step 2: Convert to fraction form
    286,768.12/395,744.59 = 157,712.24/x
  3. Step 3: Cross multiply
    286,768.12x = 395,744.59 × 157,712.24
  4. Step 4: Simplify right side
    286,768.12x = 62,413,765,459.24
  5. Step 5: Solve for x
    x = 62,413,765,459.24/286,768.12
  6. Step 6: Final answer
    x = 217,645.41

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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.