Home / 116,795.28-161,177.64-66,494.28

Finding the Fourth Proportional to 116,795.28, 161,177.64 and 66,494.28

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Solution

The fourth proportional to 116,795.28, 161,177.64 and 66,494.28 is: 91,762.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,795.28 : 161,177.64 = 66,494.28 : x
  2. Step 2: Convert to fraction form
    116,795.28/161,177.64 = 66,494.28/x
  3. Step 3: Cross multiply
    116,795.28x = 161,177.64 × 66,494.28
  4. Step 4: Simplify right side
    116,795.28x = 10,717,391,123.90
  5. Step 5: Solve for x
    x = 10,717,391,123.90/116,795.28
  6. Step 6: Final answer
    x = 91,762.19

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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.