Home / 156,113.52-215,438.23-84,495.07

Finding the Fourth Proportional to 156,113.52, 215,438.23 and 84,495.07

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Solution

The fourth proportional to 156,113.52, 215,438.23 and 84,495.07 is: 116,604.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,113.52 : 215,438.23 = 84,495.07 : x
  2. Step 2: Convert to fraction form
    156,113.52/215,438.23 = 84,495.07/x
  3. Step 3: Cross multiply
    156,113.52x = 215,438.23 × 84,495.07
  4. Step 4: Simplify right side
    156,113.52x = 18,203,468,324.53
  5. Step 5: Solve for x
    x = 18,203,468,324.53/156,113.52
  6. Step 6: Final answer
    x = 116,604.05

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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.