Home / 156,633.34-216,154.19-85,013.37

Finding the Fourth Proportional to 156,633.34, 216,154.19 and 85,013.37

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Solution

The fourth proportional to 156,633.34, 216,154.19 and 85,013.37 is: 117,318.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,633.34 : 216,154.19 = 85,013.37 : x
  2. Step 2: Convert to fraction form
    156,633.34/216,154.19 = 85,013.37/x
  3. Step 3: Cross multiply
    156,633.34x = 216,154.19 × 85,013.37
  4. Step 4: Simplify right side
    156,633.34x = 18,375,997,154.63
  5. Step 5: Solve for x
    x = 18,375,997,154.63/156,633.34
  6. Step 6: Final answer
    x = 117,318.56

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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.