Home / 116,955.19-161,397.44-63,240.31

Finding the Fourth Proportional to 116,955.19, 161,397.44 and 63,240.31

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Solution

The fourth proportional to 116,955.19, 161,397.44 and 63,240.31 is: 87,271.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,955.19 : 161,397.44 = 63,240.31 : x
  2. Step 2: Convert to fraction form
    116,955.19/161,397.44 = 63,240.31/x
  3. Step 3: Cross multiply
    116,955.19x = 161,397.44 × 63,240.31
  4. Step 4: Simplify right side
    116,955.19x = 10,206,823,822.60
  5. Step 5: Solve for x
    x = 10,206,823,822.60/116,955.19
  6. Step 6: Final answer
    x = 87,271.23

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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.