Home / 156,299.68-215,614.20-98,842.23

Finding the Fourth Proportional to 156,299.68, 215,614.20 and 98,842.23

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Solution

The fourth proportional to 156,299.68, 215,614.20 and 98,842.23 is: 136,352.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,299.68 : 215,614.20 = 98,842.23 : x
  2. Step 2: Convert to fraction form
    156,299.68/215,614.20 = 98,842.23/x
  3. Step 3: Cross multiply
    156,299.68x = 215,614.20 × 98,842.23
  4. Step 4: Simplify right side
    156,299.68x = 21,311,787,853.45
  5. Step 5: Solve for x
    x = 21,311,787,853.45/156,299.68
  6. Step 6: Final answer
    x = 136,352.09

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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.