Home / 116,816.46-161,188.43-65,826.56

Finding the Fourth Proportional to 116,816.46, 161,188.43 and 65,826.56

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Solution

The fourth proportional to 116,816.46, 161,188.43 and 65,826.56 is: 90,830.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,816.46 : 161,188.43 = 65,826.56 : x
  2. Step 2: Convert to fraction form
    116,816.46/161,188.43 = 65,826.56/x
  3. Step 3: Cross multiply
    116,816.46x = 161,188.43 × 65,826.56
  4. Step 4: Simplify right side
    116,816.46x = 10,610,478,723.63
  5. Step 5: Solve for x
    x = 10,610,478,723.63/116,816.46
  6. Step 6: Final answer
    x = 90,830.34

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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.