Home / 156,090.26-215,404.54-84,470.28

Finding the Fourth Proportional to 156,090.26, 215,404.54 and 84,470.28

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Solution

The fourth proportional to 156,090.26, 215,404.54 and 84,470.28 is: 116,568.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,090.26 : 215,404.54 = 84,470.28 : x
  2. Step 2: Convert to fraction form
    156,090.26/215,404.54 = 84,470.28/x
  3. Step 3: Cross multiply
    156,090.26x = 215,404.54 × 84,470.28
  4. Step 4: Simplify right side
    156,090.26x = 18,195,281,595.90
  5. Step 5: Solve for x
    x = 18,195,281,595.90/156,090.26
  6. Step 6: Final answer
    x = 116,568.98

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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.