Home / 116,749.92-161,058.96-112,223.28

Finding the Fourth Proportional to 116,749.92, 161,058.96 and 112,223.28

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Solution

The fourth proportional to 116,749.92, 161,058.96 and 112,223.28 is: 154,814.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,749.92 : 161,058.96 = 112,223.28 : x
  2. Step 2: Convert to fraction form
    116,749.92/161,058.96 = 112,223.28/x
  3. Step 3: Cross multiply
    116,749.92x = 161,058.96 × 112,223.28
  4. Step 4: Simplify right side
    116,749.92x = 18,074,564,764.59
  5. Step 5: Solve for x
    x = 18,074,564,764.59/116,749.92
  6. Step 6: Final answer
    x = 154,814.37

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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.