Home / 156,768.44-216,337.36-88,784.32

Finding the Fourth Proportional to 156,768.44, 216,337.36 and 88,784.32

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Solution

The fourth proportional to 156,768.44, 216,337.36 and 88,784.32 is: 122,520.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,768.44 : 216,337.36 = 88,784.32 : x
  2. Step 2: Convert to fraction form
    156,768.44/216,337.36 = 88,784.32/x
  3. Step 3: Cross multiply
    156,768.44x = 216,337.36 × 88,784.32
  4. Step 4: Simplify right side
    156,768.44x = 19,207,365,398.20
  5. Step 5: Solve for x
    x = 19,207,365,398.20/156,768.44
  6. Step 6: Final answer
    x = 122,520.61

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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.