Home / 115,576.32-159,506.64-70,250.88

Finding the Fourth Proportional to 115,576.32, 159,506.64 and 70,250.88

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Solution

The fourth proportional to 115,576.32, 159,506.64 and 70,250.88 is: 96,953.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,576.32 : 159,506.64 = 70,250.88 : x
  2. Step 2: Convert to fraction form
    115,576.32/159,506.64 = 70,250.88/x
  3. Step 3: Cross multiply
    115,576.32x = 159,506.64 × 70,250.88
  4. Step 4: Simplify right side
    115,576.32x = 11,205,481,825.84
  5. Step 5: Solve for x
    x = 11,205,481,825.84/115,576.32
  6. Step 6: Final answer
    x = 96,953.09

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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.