Home / 154,363.55-231,572.86-54,581.67

Finding the Fourth Proportional to 154,363.55, 231,572.86 and 54,581.67

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Solution

The fourth proportional to 154,363.55, 231,572.86 and 54,581.67 is: 81,882.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,363.55 : 231,572.86 = 54,581.67 : x
  2. Step 2: Convert to fraction form
    154,363.55/231,572.86 = 54,581.67/x
  3. Step 3: Cross multiply
    154,363.55x = 231,572.86 × 54,581.67
  4. Step 4: Simplify right side
    154,363.55x = 12,639,633,289.02
  5. Step 5: Solve for x
    x = 12,639,633,289.02/154,363.55
  6. Step 6: Final answer
    x = 81,882.24

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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.