Home / 140,554.29-193,969.51-76,892.09

Finding the Fourth Proportional to 140,554.29, 193,969.51 and 76,892.09

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Solution

The fourth proportional to 140,554.29, 193,969.51 and 76,892.09 is: 106,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,554.29 : 193,969.51 = 76,892.09 : x
  2. Step 2: Convert to fraction form
    140,554.29/193,969.51 = 76,892.09/x
  3. Step 3: Cross multiply
    140,554.29x = 193,969.51 × 76,892.09
  4. Step 4: Simplify right side
    140,554.29x = 14,914,721,020.18
  5. Step 5: Solve for x
    x = 14,914,721,020.18/140,554.29
  6. Step 6: Final answer
    x = 106,113.60

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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.