Home / 140,874.14-194,406.91-76,343.51

Finding the Fourth Proportional to 140,874.14, 194,406.91 and 76,343.51

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Solution

The fourth proportional to 140,874.14, 194,406.91 and 76,343.51 is: 105,354.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,874.14 : 194,406.91 = 76,343.51 : x
  2. Step 2: Convert to fraction form
    140,874.14/194,406.91 = 76,343.51/x
  3. Step 3: Cross multiply
    140,874.14x = 194,406.91 × 76,343.51
  4. Step 4: Simplify right side
    140,874.14x = 14,841,706,172.81
  5. Step 5: Solve for x
    x = 14,841,706,172.81/140,874.14
  6. Step 6: Final answer
    x = 105,354.37

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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.