Home / 156,224.11-215,588.13-84,602.47

Finding the Fourth Proportional to 156,224.11, 215,588.13 and 84,602.47

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Solution

The fourth proportional to 156,224.11, 215,588.13 and 84,602.47 is: 116,750.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,224.11 : 215,588.13 = 84,602.47 : x
  2. Step 2: Convert to fraction form
    156,224.11/215,588.13 = 84,602.47/x
  3. Step 3: Cross multiply
    156,224.11x = 215,588.13 × 84,602.47
  4. Step 4: Simplify right side
    156,224.11x = 18,239,288,300.68
  5. Step 5: Solve for x
    x = 18,239,288,300.68/156,224.11
  6. Step 6: Final answer
    x = 116,750.79

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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.