Home / 140,469.64-193,848.18-76,807.96

Finding the Fourth Proportional to 140,469.64, 193,848.18 and 76,807.96

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Solution

The fourth proportional to 140,469.64, 193,848.18 and 76,807.96 is: 105,995.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,469.64 : 193,848.18 = 76,807.96 : x
  2. Step 2: Convert to fraction form
    140,469.64/193,848.18 = 76,807.96/x
  3. Step 3: Cross multiply
    140,469.64x = 193,848.18 × 76,807.96
  4. Step 4: Simplify right side
    140,469.64x = 14,889,083,255.51
  5. Step 5: Solve for x
    x = 14,889,083,255.51/140,469.64
  6. Step 6: Final answer
    x = 105,995.03

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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.