Home / 116,938.40-161,374.97-63,223.40

Finding the Fourth Proportional to 116,938.40, 161,374.97 and 63,223.40

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Solution

The fourth proportional to 116,938.40, 161,374.97 and 63,223.40 is: 87,248.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,938.40 : 161,374.97 = 63,223.40 : x
  2. Step 2: Convert to fraction form
    116,938.40/161,374.97 = 63,223.40/x
  3. Step 3: Cross multiply
    116,938.40x = 161,374.97 × 63,223.40
  4. Step 4: Simplify right side
    116,938.40x = 10,202,674,839.79
  5. Step 5: Solve for x
    x = 10,202,674,839.79/116,938.40
  6. Step 6: Final answer
    x = 87,248.29

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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.