Home / 154,364.55-231,574.36-54,582.67

Finding the Fourth Proportional to 154,364.55, 231,574.36 and 54,582.67

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Solution

The fourth proportional to 154,364.55, 231,574.36 and 54,582.67 is: 81,883.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,364.55 : 231,574.36 = 54,582.67 : x
  2. Step 2: Convert to fraction form
    154,364.55/231,574.36 = 54,582.67/x
  3. Step 3: Cross multiply
    154,364.55x = 231,574.36 × 54,582.67
  4. Step 4: Simplify right side
    154,364.55x = 12,639,946,872.34
  5. Step 5: Solve for x
    x = 12,639,946,872.34/154,364.55
  6. Step 6: Final answer
    x = 81,883.74

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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.