Home / 190,438.10-285,676.10-70,527.14

Finding the Fourth Proportional to 190,438.10, 285,676.10 and 70,527.14

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Solution

The fourth proportional to 190,438.10, 285,676.10 and 70,527.14 is: 105,797.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,438.10 : 285,676.10 = 70,527.14 : x
  2. Step 2: Convert to fraction form
    190,438.10/285,676.10 = 70,527.14/x
  3. Step 3: Cross multiply
    190,438.10x = 285,676.10 × 70,527.14
  4. Step 4: Simplify right side
    190,438.10x = 20,147,917,946.72
  5. Step 5: Solve for x
    x = 20,147,917,946.72/190,438.10
  6. Step 6: Final answer
    x = 105,797.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.