Home / 263,998.17-395,957.16-86,501.25

Finding the Fourth Proportional to 263,998.17, 395,957.16 and 86,501.25

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Solution

The fourth proportional to 263,998.17, 395,957.16 and 86,501.25 is: 129,738.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,998.17 : 395,957.16 = 86,501.25 : x
  2. Step 2: Convert to fraction form
    263,998.17/395,957.16 = 86,501.25/x
  3. Step 3: Cross multiply
    263,998.17x = 395,957.16 × 86,501.25
  4. Step 4: Simplify right side
    263,998.17x = 34,250,788,853.94
  5. Step 5: Solve for x
    x = 34,250,788,853.94/263,998.17
  6. Step 6: Final answer
    x = 129,738.74

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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.