Home / 154,492.47-231,771.24-53,299.71

Finding the Fourth Proportional to 154,492.47, 231,771.24 and 53,299.71

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Solution

The fourth proportional to 154,492.47, 231,771.24 and 53,299.71 is: 79,960.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,492.47 : 231,771.24 = 53,299.71 : x
  2. Step 2: Convert to fraction form
    154,492.47/231,771.24 = 53,299.71/x
  3. Step 3: Cross multiply
    154,492.47x = 231,771.24 × 53,299.71
  4. Step 4: Simplify right side
    154,492.47x = 12,353,339,878.34
  5. Step 5: Solve for x
    x = 12,353,339,878.34/154,492.47
  6. Step 6: Final answer
    x = 79,960.79

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1.5x scale

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.