Home / 116,216.20-160,455.06-89,309.80

Finding the Fourth Proportional to 116,216.20, 160,455.06 and 89,309.80

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Solution

The fourth proportional to 116,216.20, 160,455.06 and 89,309.80 is: 123,306.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,216.20 : 160,455.06 = 89,309.80 : x
  2. Step 2: Convert to fraction form
    116,216.20/160,455.06 = 89,309.80/x
  3. Step 3: Cross multiply
    116,216.20x = 160,455.06 × 89,309.80
  4. Step 4: Simplify right side
    116,216.20x = 14,330,209,317.59
  5. Step 5: Solve for x
    x = 14,330,209,317.59/116,216.20
  6. Step 6: Final answer
    x = 123,306.47

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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.