Home / 156,204.08-215,561.30-84,584.30

Finding the Fourth Proportional to 156,204.08, 215,561.30 and 84,584.30

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Solution

The fourth proportional to 156,204.08, 215,561.30 and 84,584.30 is: 116,726.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,204.08 : 215,561.30 = 84,584.30 : x
  2. Step 2: Convert to fraction form
    156,204.08/215,561.30 = 84,584.30/x
  3. Step 3: Cross multiply
    156,204.08x = 215,561.30 × 84,584.30
  4. Step 4: Simplify right side
    156,204.08x = 18,233,101,667.59
  5. Step 5: Solve for x
    x = 18,233,101,667.59/156,204.08
  6. Step 6: Final answer
    x = 116,726.16

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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.