Home / 116,575.20-160,801.20-76,269.60

Finding the Fourth Proportional to 116,575.20, 160,801.20 and 76,269.60

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Solution

The fourth proportional to 116,575.20, 160,801.20 and 76,269.60 is: 105,204.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,575.20 : 160,801.20 = 76,269.60 : x
  2. Step 2: Convert to fraction form
    116,575.20/160,801.20 = 76,269.60/x
  3. Step 3: Cross multiply
    116,575.20x = 160,801.20 × 76,269.60
  4. Step 4: Simplify right side
    116,575.20x = 12,264,243,203.52
  5. Step 5: Solve for x
    x = 12,264,243,203.52/116,575.20
  6. Step 6: Final answer
    x = 105,204.56

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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.