Home / 140,295.51-193,607.55-76,633.29

Finding the Fourth Proportional to 140,295.51, 193,607.55 and 76,633.29

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Solution

The fourth proportional to 140,295.51, 193,607.55 and 76,633.29 is: 105,753.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,295.51 : 193,607.55 = 76,633.29 : x
  2. Step 2: Convert to fraction form
    140,295.51/193,607.55 = 76,633.29/x
  3. Step 3: Cross multiply
    140,295.51x = 193,607.55 × 76,633.29
  4. Step 4: Simplify right side
    140,295.51x = 14,836,783,525.34
  5. Step 5: Solve for x
    x = 14,836,783,525.34/140,295.51
  6. Step 6: Final answer
    x = 105,753.80

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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.