Home / 116,446.20-174,669.30-86,921.70

Finding the Fourth Proportional to 116,446.20, 174,669.30 and 86,921.70

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Solution

The fourth proportional to 116,446.20, 174,669.30 and 86,921.70 is: 130,382.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,446.20 : 174,669.30 = 86,921.70 : x
  2. Step 2: Convert to fraction form
    116,446.20/174,669.30 = 86,921.70/x
  3. Step 3: Cross multiply
    116,446.20x = 174,669.30 × 86,921.70
  4. Step 4: Simplify right side
    116,446.20x = 15,182,552,493.81
  5. Step 5: Solve for x
    x = 15,182,552,493.81/116,446.20
  6. Step 6: Final answer
    x = 130,382.55

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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.