Home / 156,215.55-215,577.66-84,595.69

Finding the Fourth Proportional to 156,215.55, 215,577.66 and 84,595.69

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Solution

The fourth proportional to 156,215.55, 215,577.66 and 84,595.69 is: 116,742.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,215.55 : 215,577.66 = 84,595.69 : x
  2. Step 2: Convert to fraction form
    156,215.55/215,577.66 = 84,595.69/x
  3. Step 3: Cross multiply
    156,215.55x = 215,577.66 × 84,595.69
  4. Step 4: Simplify right side
    156,215.55x = 18,236,940,896.29
  5. Step 5: Solve for x
    x = 18,236,940,896.29/156,215.55
  6. Step 6: Final answer
    x = 116,742.16

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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.