Home / 160,564.28-221,582.39-87,974.10

Finding the Fourth Proportional to 160,564.28, 221,582.39 and 87,974.10

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Solution

The fourth proportional to 160,564.28, 221,582.39 and 87,974.10 is: 121,406.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,564.28 : 221,582.39 = 87,974.10 : x
  2. Step 2: Convert to fraction form
    160,564.28/221,582.39 = 87,974.10/x
  3. Step 3: Cross multiply
    160,564.28x = 221,582.39 × 87,974.10
  4. Step 4: Simplify right side
    160,564.28x = 19,493,510,896.23
  5. Step 5: Solve for x
    x = 19,493,510,896.23/160,564.28
  6. Step 6: Final answer
    x = 121,406.28

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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.