Home / 140,933.16-194,549.78-98,657.64

Finding the Fourth Proportional to 140,933.16, 194,549.78 and 98,657.64

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Solution

The fourth proportional to 140,933.16, 194,549.78 and 98,657.64 is: 136,190.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,933.16 : 194,549.78 = 98,657.64 : x
  2. Step 2: Convert to fraction form
    140,933.16/194,549.78 = 98,657.64/x
  3. Step 3: Cross multiply
    140,933.16x = 194,549.78 × 98,657.64
  4. Step 4: Simplify right side
    140,933.16x = 19,193,822,157.32
  5. Step 5: Solve for x
    x = 19,193,822,157.32/140,933.16
  6. Step 6: Final answer
    x = 136,190.96

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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.