Home / 161,714.05-242,617.88-66,926.74

Finding the Fourth Proportional to 161,714.05, 242,617.88 and 66,926.74

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Solution

The fourth proportional to 161,714.05, 242,617.88 and 66,926.74 is: 100,409.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,714.05 : 242,617.88 = 66,926.74 : x
  2. Step 2: Convert to fraction form
    161,714.05/242,617.88 = 66,926.74/x
  3. Step 3: Cross multiply
    161,714.05x = 242,617.88 × 66,926.74
  4. Step 4: Simplify right side
    161,714.05x = 16,237,623,789.79
  5. Step 5: Solve for x
    x = 16,237,623,789.79/161,714.05
  6. Step 6: Final answer
    x = 100,409.48

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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.