Home / 116,529.36-160,811.64-66,228.72

Finding the Fourth Proportional to 116,529.36, 160,811.64 and 66,228.72

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Solution

The fourth proportional to 116,529.36, 160,811.64 and 66,228.72 is: 91,396.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,529.36 : 160,811.64 = 66,228.72 : x
  2. Step 2: Convert to fraction form
    116,529.36/160,811.64 = 66,228.72/x
  3. Step 3: Cross multiply
    116,529.36x = 160,811.64 × 66,228.72
  4. Step 4: Simplify right side
    116,529.36x = 10,650,349,078.30
  5. Step 5: Solve for x
    x = 10,650,349,078.30/116,529.36
  6. Step 6: Final answer
    x = 91,396.27

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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.