Home / 179,853.60-269,780.40-120,717.60

Finding the Fourth Proportional to 179,853.60, 269,780.40 and 120,717.60

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Solution

The fourth proportional to 179,853.60, 269,780.40 and 120,717.60 is: 181,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,853.60 : 269,780.40 = 120,717.60 : x
  2. Step 2: Convert to fraction form
    179,853.60/269,780.40 = 120,717.60/x
  3. Step 3: Cross multiply
    179,853.60x = 269,780.40 × 120,717.60
  4. Step 4: Simplify right side
    179,853.60x = 32,567,242,415.04
  5. Step 5: Solve for x
    x = 32,567,242,415.04/179,853.60
  6. Step 6: Final answer
    x = 181,076.40

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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.