Home / 156,170.23-215,515.01-84,550.23

Finding the Fourth Proportional to 156,170.23, 215,515.01 and 84,550.23

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Solution

The fourth proportional to 156,170.23, 215,515.01 and 84,550.23 is: 116,679.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,170.23 : 215,515.01 = 84,550.23 : x
  2. Step 2: Convert to fraction form
    156,170.23/215,515.01 = 84,550.23/x
  3. Step 3: Cross multiply
    156,170.23x = 215,515.01 × 84,550.23
  4. Step 4: Simplify right side
    156,170.23x = 18,221,843,875.33
  5. Step 5: Solve for x
    x = 18,221,843,875.33/156,170.23
  6. Step 6: Final answer
    x = 116,679.37

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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.