Home / 286,526.94-395,431.83-159,228.06

Finding the Fourth Proportional to 286,526.94, 395,431.83 and 159,228.06

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Solution

The fourth proportional to 286,526.94, 395,431.83 and 159,228.06 is: 219,748.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,526.94 : 395,431.83 = 159,228.06 : x
  2. Step 2: Convert to fraction form
    286,526.94/395,431.83 = 159,228.06/x
  3. Step 3: Cross multiply
    286,526.94x = 395,431.83 × 159,228.06
  4. Step 4: Simplify right side
    286,526.94x = 62,963,843,153.15
  5. Step 5: Solve for x
    x = 62,963,843,153.15/286,526.94
  6. Step 6: Final answer
    x = 219,748.42

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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.