Home / 334,105.06-501,158.58-81,385.67

Finding the Fourth Proportional to 334,105.06, 501,158.58 and 81,385.67

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Solution

The fourth proportional to 334,105.06, 501,158.58 and 81,385.67 is: 122,078.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,105.06 : 501,158.58 = 81,385.67 : x
  2. Step 2: Convert to fraction form
    334,105.06/501,158.58 = 81,385.67/x
  3. Step 3: Cross multiply
    334,105.06x = 501,158.58 × 81,385.67
  4. Step 4: Simplify right side
    334,105.06x = 40,787,124,938.23
  5. Step 5: Solve for x
    x = 40,787,124,938.23/334,105.06
  6. Step 6: Final answer
    x = 122,078.74

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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.