Home / 116,654.08-160,940.52-76,390.80

Finding the Fourth Proportional to 116,654.08, 160,940.52 and 76,390.80

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Solution

The fourth proportional to 116,654.08, 160,940.52 and 76,390.80 is: 105,391.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,654.08 : 160,940.52 = 76,390.80 : x
  2. Step 2: Convert to fraction form
    116,654.08/160,940.52 = 76,390.80/x
  3. Step 3: Cross multiply
    116,654.08x = 160,940.52 × 76,390.80
  4. Step 4: Simplify right side
    116,654.08x = 12,294,375,075.22
  5. Step 5: Solve for x
    x = 12,294,375,075.22/116,654.08
  6. Step 6: Final answer
    x = 105,391.73

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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.