Home / 116,615.10-160,927.05-65,623.85

Finding the Fourth Proportional to 116,615.10, 160,927.05 and 65,623.85

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Solution

The fourth proportional to 116,615.10, 160,927.05 and 65,623.85 is: 90,559.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,615.10 : 160,927.05 = 65,623.85 : x
  2. Step 2: Convert to fraction form
    116,615.10/160,927.05 = 65,623.85/x
  3. Step 3: Cross multiply
    116,615.10x = 160,927.05 × 65,623.85
  4. Step 4: Simplify right side
    116,615.10x = 10,560,652,590.14
  5. Step 5: Solve for x
    x = 10,560,652,590.14/116,615.10
  6. Step 6: Final answer
    x = 90,559.91

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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.