Home / 156,207.36-215,564.88-84,585.60

Finding the Fourth Proportional to 156,207.36, 215,564.88 and 84,585.60

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Solution

The fourth proportional to 156,207.36, 215,564.88 and 84,585.60 is: 116,727.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,207.36 : 215,564.88 = 84,585.60 : x
  2. Step 2: Convert to fraction form
    156,207.36/215,564.88 = 84,585.60/x
  3. Step 3: Cross multiply
    156,207.36x = 215,564.88 × 84,585.60
  4. Step 4: Simplify right side
    156,207.36x = 18,233,684,713.73
  5. Step 5: Solve for x
    x = 18,233,684,713.73/156,207.36
  6. Step 6: Final answer
    x = 116,727.44

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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.