Home / 127,922.05-176,564.07-87,153.64

Finding the Fourth Proportional to 127,922.05, 176,564.07 and 87,153.64

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Solution

The fourth proportional to 127,922.05, 176,564.07 and 87,153.64 is: 120,293.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,922.05 : 176,564.07 = 87,153.64 : x
  2. Step 2: Convert to fraction form
    127,922.05/176,564.07 = 87,153.64/x
  3. Step 3: Cross multiply
    127,922.05x = 176,564.07 × 87,153.64
  4. Step 4: Simplify right side
    127,922.05x = 15,388,201,393.71
  5. Step 5: Solve for x
    x = 15,388,201,393.71/127,922.05
  6. Step 6: Final answer
    x = 120,293.58

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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.