Home / 113,491.28-170,248.44-43,429.52

Finding the Fourth Proportional to 113,491.28, 170,248.44 and 43,429.52

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Solution

The fourth proportional to 113,491.28, 170,248.44 and 43,429.52 is: 65,148.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,491.28 : 170,248.44 = 43,429.52 : x
  2. Step 2: Convert to fraction form
    113,491.28/170,248.44 = 43,429.52/x
  3. Step 3: Cross multiply
    113,491.28x = 170,248.44 × 43,429.52
  4. Step 4: Simplify right side
    113,491.28x = 7,393,808,029.95
  5. Step 5: Solve for x
    x = 7,393,808,029.95/113,491.28
  6. Step 6: Final answer
    x = 65,148.69

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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.