Home / 111,251.24-153,537.72-63,511.76

Finding the Fourth Proportional to 111,251.24, 153,537.72 and 63,511.76

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Solution

The fourth proportional to 111,251.24, 153,537.72 and 63,511.76 is: 87,652.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,251.24 : 153,537.72 = 63,511.76 : x
  2. Step 2: Convert to fraction form
    111,251.24/153,537.72 = 63,511.76/x
  3. Step 3: Cross multiply
    111,251.24x = 153,537.72 × 63,511.76
  4. Step 4: Simplify right side
    111,251.24x = 9,751,450,823.59
  5. Step 5: Solve for x
    x = 9,751,450,823.59/111,251.24
  6. Step 6: Final answer
    x = 87,652.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.