Home / 159,205.40-238,615.85-70,358.12

Finding the Fourth Proportional to 159,205.40, 238,615.85 and 70,358.12

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Solution

The fourth proportional to 159,205.40, 238,615.85 and 70,358.12 is: 105,452.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,205.40 : 238,615.85 = 70,358.12 : x
  2. Step 2: Convert to fraction form
    159,205.40/238,615.85 = 70,358.12/x
  3. Step 3: Cross multiply
    159,205.40x = 238,615.85 × 70,358.12
  4. Step 4: Simplify right side
    159,205.40x = 16,788,561,063.33
  5. Step 5: Solve for x
    x = 16,788,561,063.33/159,205.40
  6. Step 6: Final answer
    x = 105,452.21

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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.