Home / 116,225.20-160,467.48-89,318.80

Finding the Fourth Proportional to 116,225.20, 160,467.48 and 89,318.80

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Solution

The fourth proportional to 116,225.20, 160,467.48 and 89,318.80 is: 123,318.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,225.20 : 160,467.48 = 89,318.80 : x
  2. Step 2: Convert to fraction form
    116,225.20/160,467.48 = 89,318.80/x
  3. Step 3: Cross multiply
    116,225.20x = 160,467.48 × 89,318.80
  4. Step 4: Simplify right side
    116,225.20x = 14,332,762,752.62
  5. Step 5: Solve for x
    x = 14,332,762,752.62/116,225.20
  6. Step 6: Final answer
    x = 123,318.89

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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.