Home / 115,576.62-158,883.37-99,384.63

Finding the Fourth Proportional to 115,576.62, 158,883.37 and 99,384.63

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Solution

The fourth proportional to 115,576.62, 158,883.37 and 99,384.63 is: 136,624.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,576.62 : 158,883.37 = 99,384.63 : x
  2. Step 2: Convert to fraction form
    115,576.62/158,883.37 = 99,384.63/x
  3. Step 3: Cross multiply
    115,576.62x = 158,883.37 × 99,384.63
  4. Step 4: Simplify right side
    115,576.62x = 15,790,564,692.14
  5. Step 5: Solve for x
    x = 15,790,564,692.14/115,576.62
  6. Step 6: Final answer
    x = 136,624.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.