Home / 286,334.40-395,154.60-159,010.56

Finding the Fourth Proportional to 286,334.40, 395,154.60 and 159,010.56

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Solution

The fourth proportional to 286,334.40, 395,154.60 and 159,010.56 is: 219,441.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,334.40 : 395,154.60 = 159,010.56 : x
  2. Step 2: Convert to fraction form
    286,334.40/395,154.60 = 159,010.56/x
  3. Step 3: Cross multiply
    286,334.40x = 395,154.60 × 159,010.56
  4. Step 4: Simplify right side
    286,334.40x = 62,833,754,232.58
  5. Step 5: Solve for x
    x = 62,833,754,232.58/286,334.40
  6. Step 6: Final answer
    x = 219,441.86

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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.