Home / 171,712.48-236,957.84-100,095.52

Finding the Fourth Proportional to 171,712.48, 236,957.84 and 100,095.52

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Solution

The fourth proportional to 171,712.48, 236,957.84 and 100,095.52 is: 138,128.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,712.48 : 236,957.84 = 100,095.52 : x
  2. Step 2: Convert to fraction form
    171,712.48/236,957.84 = 100,095.52/x
  3. Step 3: Cross multiply
    171,712.48x = 236,957.84 × 100,095.52
  4. Step 4: Simplify right side
    171,712.48x = 23,718,418,212.88
  5. Step 5: Solve for x
    x = 23,718,418,212.88/171,712.48
  6. Step 6: Final answer
    x = 138,128.68

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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.