Home / 167,660.64-251,153.28-77,576.40

Finding the Fourth Proportional to 167,660.64, 251,153.28 and 77,576.40

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Solution

The fourth proportional to 167,660.64, 251,153.28 and 77,576.40 is: 116,208.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,660.64 : 251,153.28 = 77,576.40 : x
  2. Step 2: Convert to fraction form
    167,660.64/251,153.28 = 77,576.40/x
  3. Step 3: Cross multiply
    167,660.64x = 251,153.28 × 77,576.40
  4. Step 4: Simplify right side
    167,660.64x = 19,483,567,310.59
  5. Step 5: Solve for x
    x = 19,483,567,310.59/167,660.64
  6. Step 6: Final answer
    x = 116,208.36

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1.5x scale

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.