Home / 156,118.84-215,449.22-95,677.81

Finding the Fourth Proportional to 156,118.84, 215,449.22 and 95,677.81

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Solution

The fourth proportional to 156,118.84, 215,449.22 and 95,677.81 is: 132,038.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,118.84 : 215,449.22 = 95,677.81 : x
  2. Step 2: Convert to fraction form
    156,118.84/215,449.22 = 95,677.81/x
  3. Step 3: Cross multiply
    156,118.84x = 215,449.22 × 95,677.81
  4. Step 4: Simplify right side
    156,118.84x = 20,613,709,057.42
  5. Step 5: Solve for x
    x = 20,613,709,057.42/156,118.84
  6. Step 6: Final answer
    x = 132,038.57

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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.