Home / 116,896.12-161,315.58-71,652.76

Finding the Fourth Proportional to 116,896.12, 161,315.58 and 71,652.76

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Solution

The fourth proportional to 116,896.12, 161,315.58 and 71,652.76 is: 98,880.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,896.12 : 161,315.58 = 71,652.76 : x
  2. Step 2: Convert to fraction form
    116,896.12/161,315.58 = 71,652.76/x
  3. Step 3: Cross multiply
    116,896.12x = 161,315.58 × 71,652.76
  4. Step 4: Simplify right side
    116,896.12x = 11,558,706,538.00
  5. Step 5: Solve for x
    x = 11,558,706,538.00/116,896.12
  6. Step 6: Final answer
    x = 98,880.16

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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.