Home / 156,106.27-215,427.28-84,486.27

Finding the Fourth Proportional to 156,106.27, 215,427.28 and 84,486.27

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Solution

The fourth proportional to 156,106.27, 215,427.28 and 84,486.27 is: 116,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,106.27 : 215,427.28 = 84,486.27 : x
  2. Step 2: Convert to fraction form
    156,106.27/215,427.28 = 84,486.27/x
  3. Step 3: Cross multiply
    156,106.27x = 215,427.28 × 84,486.27
  4. Step 4: Simplify right side
    156,106.27x = 18,200,647,343.45
  5. Step 5: Solve for x
    x = 18,200,647,343.45/156,106.27
  6. Step 6: Final answer
    x = 116,591.40

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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.