Home / 116,212.20-160,374.78-65,236.20

Finding the Fourth Proportional to 116,212.20, 160,374.78 and 65,236.20

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Solution

The fourth proportional to 116,212.20, 160,374.78 and 65,236.20 is: 90,027.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,212.20 : 160,374.78 = 65,236.20 : x
  2. Step 2: Convert to fraction form
    116,212.20/160,374.78 = 65,236.20/x
  3. Step 3: Cross multiply
    116,212.20x = 160,374.78 × 65,236.20
  4. Step 4: Simplify right side
    116,212.20x = 10,462,241,223.04
  5. Step 5: Solve for x
    x = 10,462,241,223.04/116,212.20
  6. Step 6: Final answer
    x = 90,027.05

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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.