Home / 140,608.19-194,009.28-83,265.53

Finding the Fourth Proportional to 140,608.19, 194,009.28 and 83,265.53

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Solution

The fourth proportional to 140,608.19, 194,009.28 and 83,265.53 is: 114,888.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,608.19 : 194,009.28 = 83,265.53 : x
  2. Step 2: Convert to fraction form
    140,608.19/194,009.28 = 83,265.53/x
  3. Step 3: Cross multiply
    140,608.19x = 194,009.28 × 83,265.53
  4. Step 4: Simplify right side
    140,608.19x = 16,154,284,554.07
  5. Step 5: Solve for x
    x = 16,154,284,554.07/140,608.19
  6. Step 6: Final answer
    x = 114,888.65

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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.