Home / 116,674.48-160,998.45-65,686.28

Finding the Fourth Proportional to 116,674.48, 160,998.45 and 65,686.28

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Solution

The fourth proportional to 116,674.48, 160,998.45 and 65,686.28 is: 90,640.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,674.48 : 160,998.45 = 65,686.28 : x
  2. Step 2: Convert to fraction form
    116,674.48/160,998.45 = 65,686.28/x
  3. Step 3: Cross multiply
    116,674.48x = 160,998.45 × 65,686.28
  4. Step 4: Simplify right side
    116,674.48x = 10,575,389,266.27
  5. Step 5: Solve for x
    x = 10,575,389,266.27/116,674.48
  6. Step 6: Final answer
    x = 90,640.13

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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.