Home / 286,514.24-395,386.80-159,187.16

Finding the Fourth Proportional to 286,514.24, 395,386.80 and 159,187.16

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Solution

The fourth proportional to 286,514.24, 395,386.80 and 159,187.16 is: 219,676.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,514.24 : 395,386.80 = 159,187.16 : x
  2. Step 2: Convert to fraction form
    286,514.24/395,386.80 = 159,187.16/x
  3. Step 3: Cross multiply
    286,514.24x = 395,386.80 × 159,187.16
  4. Step 4: Simplify right side
    286,514.24x = 62,940,501,793.49
  5. Step 5: Solve for x
    x = 62,940,501,793.49/286,514.24
  6. Step 6: Final answer
    x = 219,676.70

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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.