Home / 156,354.13-215,768.37-84,735.91

Finding the Fourth Proportional to 156,354.13, 215,768.37 and 84,735.91

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Solution

The fourth proportional to 156,354.13, 215,768.37 and 84,735.91 is: 116,935.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,354.13 : 215,768.37 = 84,735.91 : x
  2. Step 2: Convert to fraction form
    156,354.13/215,768.37 = 84,735.91/x
  3. Step 3: Cross multiply
    156,354.13x = 215,768.37 × 84,735.91
  4. Step 4: Simplify right side
    156,354.13x = 18,283,329,181.17
  5. Step 5: Solve for x
    x = 18,283,329,181.17/156,354.13
  6. Step 6: Final answer
    x = 116,935.38

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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.