Home / 156,085.53-215,399.59-84,467.09

Finding the Fourth Proportional to 156,085.53, 215,399.59 and 84,467.09

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Solution

The fourth proportional to 156,085.53, 215,399.59 and 84,467.09 is: 116,565.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,085.53 : 215,399.59 = 84,467.09 : x
  2. Step 2: Convert to fraction form
    156,085.53/215,399.59 = 84,467.09/x
  3. Step 3: Cross multiply
    156,085.53x = 215,399.59 × 84,467.09
  4. Step 4: Simplify right side
    156,085.53x = 18,194,175,670.20
  5. Step 5: Solve for x
    x = 18,194,175,670.20/156,085.53
  6. Step 6: Final answer
    x = 116,565.42

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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.