Home / 286,379.14-395,196.33-159,053.62

Finding the Fourth Proportional to 286,379.14, 395,196.33 and 159,053.62

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Solution

The fourth proportional to 286,379.14, 395,196.33 and 159,053.62 is: 219,490.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,379.14 : 395,196.33 = 159,053.62 : x
  2. Step 2: Convert to fraction form
    286,379.14/395,196.33 = 159,053.62/x
  3. Step 3: Cross multiply
    286,379.14x = 395,196.33 × 159,053.62
  4. Step 4: Simplify right side
    286,379.14x = 62,857,406,897.21
  5. Step 5: Solve for x
    x = 62,857,406,897.21/286,379.14
  6. Step 6: Final answer
    x = 219,490.17

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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.