Home / 116,838.63-161,237.09-63,123.48

Finding the Fourth Proportional to 116,838.63, 161,237.09 and 63,123.48

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Solution

The fourth proportional to 116,838.63, 161,237.09 and 63,123.48 is: 87,110.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,838.63 : 161,237.09 = 63,123.48 : x
  2. Step 2: Convert to fraction form
    116,838.63/161,237.09 = 63,123.48/x
  3. Step 3: Cross multiply
    116,838.63x = 161,237.09 × 63,123.48
  4. Step 4: Simplify right side
    116,838.63x = 10,177,846,383.68
  5. Step 5: Solve for x
    x = 10,177,846,383.68/116,838.63
  6. Step 6: Final answer
    x = 87,110.29

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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.