Home / 132,597.95-198,580.34-76,319.76

Finding the Fourth Proportional to 132,597.95, 198,580.34 and 76,319.76

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Solution

The fourth proportional to 132,597.95, 198,580.34 and 76,319.76 is: 114,297.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,597.95 : 198,580.34 = 76,319.76 : x
  2. Step 2: Convert to fraction form
    132,597.95/198,580.34 = 76,319.76/x
  3. Step 3: Cross multiply
    132,597.95x = 198,580.34 × 76,319.76
  4. Step 4: Simplify right side
    132,597.95x = 15,155,603,507.92
  5. Step 5: Solve for x
    x = 15,155,603,507.92/132,597.95
  6. Step 6: Final answer
    x = 114,297.42

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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.