Home / 140,832.48-194,346.36-77,169.72

Finding the Fourth Proportional to 140,832.48, 194,346.36 and 77,169.72

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Solution

The fourth proportional to 140,832.48, 194,346.36 and 77,169.72 is: 106,492.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,832.48 : 194,346.36 = 77,169.72 : x
  2. Step 2: Convert to fraction form
    140,832.48/194,346.36 = 77,169.72/x
  3. Step 3: Cross multiply
    140,832.48x = 194,346.36 × 77,169.72
  4. Step 4: Simplify right side
    140,832.48x = 14,997,654,184.22
  5. Step 5: Solve for x
    x = 14,997,654,184.22/140,832.48
  6. Step 6: Final answer
    x = 106,492.86

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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.