Home / 286,862.44-395,872.50-159,535.30

Finding the Fourth Proportional to 286,862.44, 395,872.50 and 159,535.30

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Solution

The fourth proportional to 286,862.44, 395,872.50 and 159,535.30 is: 220,160.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,862.44 : 395,872.50 = 159,535.30 : x
  2. Step 2: Convert to fraction form
    286,862.44/395,872.50 = 159,535.30/x
  3. Step 3: Cross multiply
    286,862.44x = 395,872.50 × 159,535.30
  4. Step 4: Simplify right side
    286,862.44x = 63,155,638,049.25
  5. Step 5: Solve for x
    x = 63,155,638,049.25/286,862.44
  6. Step 6: Final answer
    x = 220,160.01

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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.