Home / 156,256.04-215,632.94-84,636.24

Finding the Fourth Proportional to 156,256.04, 215,632.94 and 84,636.24

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Solution

The fourth proportional to 156,256.04, 215,632.94 and 84,636.24 is: 116,797.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,256.04 : 215,632.94 = 84,636.24 : x
  2. Step 2: Convert to fraction form
    156,256.04/215,632.94 = 84,636.24/x
  3. Step 3: Cross multiply
    156,256.04x = 215,632.94 × 84,636.24
  4. Step 4: Simplify right side
    156,256.04x = 18,250,361,261.75
  5. Step 5: Solve for x
    x = 18,250,361,261.75/156,256.04
  6. Step 6: Final answer
    x = 116,797.80

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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.