Home / 156,090.57-215,404.97-84,470.60

Finding the Fourth Proportional to 156,090.57, 215,404.97 and 84,470.60

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Solution

The fourth proportional to 156,090.57, 215,404.97 and 84,470.60 is: 116,569.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,090.57 : 215,404.97 = 84,470.60 : x
  2. Step 2: Convert to fraction form
    156,090.57/215,404.97 = 84,470.60/x
  3. Step 3: Cross multiply
    156,090.57x = 215,404.97 × 84,470.60
  4. Step 4: Simplify right side
    156,090.57x = 18,195,385,559.50
  5. Step 5: Solve for x
    x = 18,195,385,559.50/156,090.57
  6. Step 6: Final answer
    x = 116,569.41

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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.