Home / 286,866.03-395,869.50-159,538.89

Finding the Fourth Proportional to 286,866.03, 395,869.50 and 159,538.89

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Solution

The fourth proportional to 286,866.03, 395,869.50 and 159,538.89 is: 220,160.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,866.03 : 395,869.50 = 159,538.89 : x
  2. Step 2: Convert to fraction form
    286,866.03/395,869.50 = 159,538.89/x
  3. Step 3: Cross multiply
    286,866.03x = 395,869.50 × 159,538.89
  4. Step 4: Simplify right side
    286,866.03x = 63,156,580,614.86
  5. Step 5: Solve for x
    x = 63,156,580,614.86/286,866.03
  6. Step 6: Final answer
    x = 220,160.54

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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.