Home / 137,176.03-205,712.90-47,193.58

Finding the Fourth Proportional to 137,176.03, 205,712.90 and 47,193.58

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Solution

The fourth proportional to 137,176.03, 205,712.90 and 47,193.58 is: 70,772.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,176.03 : 205,712.90 = 47,193.58 : x
  2. Step 2: Convert to fraction form
    137,176.03/205,712.90 = 47,193.58/x
  3. Step 3: Cross multiply
    137,176.03x = 205,712.90 × 47,193.58
  4. Step 4: Simplify right side
    137,176.03x = 9,708,327,806.88
  5. Step 5: Solve for x
    x = 9,708,327,806.88/137,176.03
  6. Step 6: Final answer
    x = 70,772.77

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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.