Home / 116,216.70-160,455.75-89,310.30

Finding the Fourth Proportional to 116,216.70, 160,455.75 and 89,310.30

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Solution

The fourth proportional to 116,216.70, 160,455.75 and 89,310.30 is: 123,307.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,216.70 : 160,455.75 = 89,310.30 : x
  2. Step 2: Convert to fraction form
    116,216.70/160,455.75 = 89,310.30/x
  3. Step 3: Cross multiply
    116,216.70x = 160,455.75 × 89,310.30
  4. Step 4: Simplify right side
    116,216.70x = 14,330,351,169.23
  5. Step 5: Solve for x
    x = 14,330,351,169.23/116,216.70
  6. Step 6: Final answer
    x = 123,307.16

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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.