Home / 140,181.09-193,448.58-86,444.61

Finding the Fourth Proportional to 140,181.09, 193,448.58 and 86,444.61

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Solution

The fourth proportional to 140,181.09, 193,448.58 and 86,444.61 is: 119,292.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,181.09 : 193,448.58 = 86,444.61 : x
  2. Step 2: Convert to fraction form
    140,181.09/193,448.58 = 86,444.61/x
  3. Step 3: Cross multiply
    140,181.09x = 193,448.58 × 86,444.61
  4. Step 4: Simplify right side
    140,181.09x = 16,722,587,053.15
  5. Step 5: Solve for x
    x = 16,722,587,053.15/140,181.09
  6. Step 6: Final answer
    x = 119,292.75

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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.