Home / 156,496.04-215,967.30-84,878.44

Finding the Fourth Proportional to 156,496.04, 215,967.30 and 84,878.44

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Solution

The fourth proportional to 156,496.04, 215,967.30 and 84,878.44 is: 117,133.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,496.04 : 215,967.30 = 84,878.44 : x
  2. Step 2: Convert to fraction form
    156,496.04/215,967.30 = 84,878.44/x
  3. Step 3: Cross multiply
    156,496.04x = 215,967.30 × 84,878.44
  4. Step 4: Simplify right side
    156,496.04x = 18,330,967,515.01
  5. Step 5: Solve for x
    x = 18,330,967,515.01/156,496.04
  6. Step 6: Final answer
    x = 117,133.75

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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.