Home / 117,179.12-161,707.06-63,464.12

Finding the Fourth Proportional to 117,179.12, 161,707.06 and 63,464.12

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Solution

The fourth proportional to 117,179.12, 161,707.06 and 63,464.12 is: 87,580.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,179.12 : 161,707.06 = 63,464.12 : x
  2. Step 2: Convert to fraction form
    117,179.12/161,707.06 = 63,464.12/x
  3. Step 3: Cross multiply
    117,179.12x = 161,707.06 × 63,464.12
  4. Step 4: Simplify right side
    117,179.12x = 10,262,596,260.69
  5. Step 5: Solve for x
    x = 10,262,596,260.69/117,179.12
  6. Step 6: Final answer
    x = 87,580.42

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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.