Home / 156,214.46-215,576.07-84,594.56

Finding the Fourth Proportional to 156,214.46, 215,576.07 and 84,594.56

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Solution

The fourth proportional to 156,214.46, 215,576.07 and 84,594.56 is: 116,740.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,214.46 : 215,576.07 = 84,594.56 : x
  2. Step 2: Convert to fraction form
    156,214.46/215,576.07 = 84,594.56/x
  3. Step 3: Cross multiply
    156,214.46x = 215,576.07 × 84,594.56
  4. Step 4: Simplify right side
    156,214.46x = 18,236,562,788.18
  5. Step 5: Solve for x
    x = 18,236,562,788.18/156,214.46
  6. Step 6: Final answer
    x = 116,740.56

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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.