Home / 116,628.07-160,934.29-65,643.43

Finding the Fourth Proportional to 116,628.07, 160,934.29 and 65,643.43

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Solution

The fourth proportional to 116,628.07, 160,934.29 and 65,643.43 is: 90,580.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,628.07 : 160,934.29 = 65,643.43 : x
  2. Step 2: Convert to fraction form
    116,628.07/160,934.29 = 65,643.43/x
  3. Step 3: Cross multiply
    116,628.07x = 160,934.29 × 65,643.43
  4. Step 4: Simplify right side
    116,628.07x = 10,564,278,800.21
  5. Step 5: Solve for x
    x = 10,564,278,800.21/116,628.07
  6. Step 6: Final answer
    x = 90,580.93

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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.