Home / 116,869.12-161,284.13-65,883.77

Finding the Fourth Proportional to 116,869.12, 161,284.13 and 65,883.77

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Solution

The fourth proportional to 116,869.12, 161,284.13 and 65,883.77 is: 90,922.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,869.12 : 161,284.13 = 65,883.77 : x
  2. Step 2: Convert to fraction form
    116,869.12/161,284.13 = 65,883.77/x
  3. Step 3: Cross multiply
    116,869.12x = 161,284.13 × 65,883.77
  4. Step 4: Simplify right side
    116,869.12x = 10,626,006,525.57
  5. Step 5: Solve for x
    x = 10,626,006,525.57/116,869.12
  6. Step 6: Final answer
    x = 90,922.28

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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.