Home / 140,157.10-193,416.96-76,494.88

Finding the Fourth Proportional to 140,157.10, 193,416.96 and 76,494.88

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Solution

The fourth proportional to 140,157.10, 193,416.96 and 76,494.88 is: 105,563.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,157.10 : 193,416.96 = 76,494.88 : x
  2. Step 2: Convert to fraction form
    140,157.10/193,416.96 = 76,494.88/x
  3. Step 3: Cross multiply
    140,157.10x = 193,416.96 × 76,494.88
  4. Step 4: Simplify right side
    140,157.10x = 14,795,407,145.16
  5. Step 5: Solve for x
    x = 14,795,407,145.16/140,157.10
  6. Step 6: Final answer
    x = 105,563.02

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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.