Home / 134,828.45-202,177.05-71,678.82

Finding the Fourth Proportional to 134,828.45, 202,177.05 and 71,678.82

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Solution

The fourth proportional to 134,828.45, 202,177.05 and 71,678.82 is: 107,483.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,828.45 : 202,177.05 = 71,678.82 : x
  2. Step 2: Convert to fraction form
    134,828.45/202,177.05 = 71,678.82/x
  3. Step 3: Cross multiply
    134,828.45x = 202,177.05 × 71,678.82
  4. Step 4: Simplify right side
    134,828.45x = 14,491,812,375.08
  5. Step 5: Solve for x
    x = 14,491,812,375.08/134,828.45
  6. Step 6: Final answer
    x = 107,483.35

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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.