Home / 171,391.84-257,112.24-53,073.76

Finding the Fourth Proportional to 171,391.84, 257,112.24 and 53,073.76

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Solution

The fourth proportional to 171,391.84, 257,112.24 and 53,073.76 is: 79,618.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,391.84 : 257,112.24 = 53,073.76 : x
  2. Step 2: Convert to fraction form
    171,391.84/257,112.24 = 53,073.76/x
  3. Step 3: Cross multiply
    171,391.84x = 257,112.24 × 53,073.76
  4. Step 4: Simplify right side
    171,391.84x = 13,645,913,318.82
  5. Step 5: Solve for x
    x = 13,645,913,318.82/171,391.84
  6. Step 6: Final answer
    x = 79,618.22

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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.