Home / 116,943.90-161,382.56-63,228.92

Finding the Fourth Proportional to 116,943.90, 161,382.56 and 63,228.92

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Solution

The fourth proportional to 116,943.90, 161,382.56 and 63,228.92 is: 87,255.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,943.90 : 161,382.56 = 63,228.92 : x
  2. Step 2: Convert to fraction form
    116,943.90/161,382.56 = 63,228.92/x
  3. Step 3: Cross multiply
    116,943.90x = 161,382.56 × 63,228.92
  4. Step 4: Simplify right side
    116,943.90x = 10,204,044,975.64
  5. Step 5: Solve for x
    x = 10,204,044,975.64/116,943.90
  6. Step 6: Final answer
    x = 87,255.90

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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.