Home / 156,006.08-215,287.37-84,384.56

Finding the Fourth Proportional to 156,006.08, 215,287.37 and 84,384.56

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Solution

The fourth proportional to 156,006.08, 215,287.37 and 84,384.56 is: 116,450.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,006.08 : 215,287.37 = 84,384.56 : x
  2. Step 2: Convert to fraction form
    156,006.08/215,287.37 = 84,384.56/x
  3. Step 3: Cross multiply
    156,006.08x = 215,287.37 × 84,384.56
  4. Step 4: Simplify right side
    156,006.08x = 18,166,929,818.25
  5. Step 5: Solve for x
    x = 18,166,929,818.25/156,006.08
  6. Step 6: Final answer
    x = 116,450.14

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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.