Home / 140,534.46-193,941.54-76,876.29

Finding the Fourth Proportional to 140,534.46, 193,941.54 and 76,876.29

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Solution

The fourth proportional to 140,534.46, 193,941.54 and 76,876.29 is: 106,091.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,534.46 : 193,941.54 = 76,876.29 : x
  2. Step 2: Convert to fraction form
    140,534.46/193,941.54 = 76,876.29/x
  3. Step 3: Cross multiply
    140,534.46x = 193,941.54 × 76,876.29
  4. Step 4: Simplify right side
    140,534.46x = 14,909,506,072.09
  5. Step 5: Solve for x
    x = 14,909,506,072.09/140,534.46
  6. Step 6: Final answer
    x = 106,091.46

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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.