Home / 205,010.16-307,514.28-64,768.56

Finding the Fourth Proportional to 205,010.16, 307,514.28 and 64,768.56

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Solution

The fourth proportional to 205,010.16, 307,514.28 and 64,768.56 is: 97,152.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,010.16 : 307,514.28 = 64,768.56 : x
  2. Step 2: Convert to fraction form
    205,010.16/307,514.28 = 64,768.56/x
  3. Step 3: Cross multiply
    205,010.16x = 307,514.28 × 64,768.56
  4. Step 4: Simplify right side
    205,010.16x = 19,917,257,095.04
  5. Step 5: Solve for x
    x = 19,917,257,095.04/205,010.16
  6. Step 6: Final answer
    x = 97,152.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.