Home / 156,103.26-215,422.48-84,483.29

Finding the Fourth Proportional to 156,103.26, 215,422.48 and 84,483.29

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Solution

The fourth proportional to 156,103.26, 215,422.48 and 84,483.29 is: 116,586.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,103.26 : 215,422.48 = 84,483.29 : x
  2. Step 2: Convert to fraction form
    156,103.26/215,422.48 = 84,483.29/x
  3. Step 3: Cross multiply
    156,103.26x = 215,422.48 × 84,483.29
  4. Step 4: Simplify right side
    156,103.26x = 18,199,599,850.36
  5. Step 5: Solve for x
    x = 18,199,599,850.36/156,103.26
  6. Step 6: Final answer
    x = 116,586.93

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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.