Home / 156,733.72-216,405.21-96,385.48

Finding the Fourth Proportional to 156,733.72, 216,405.21 and 96,385.48

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Solution

The fourth proportional to 156,733.72, 216,405.21 and 96,385.48 is: 133,081.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,733.72 : 216,405.21 = 96,385.48 : x
  2. Step 2: Convert to fraction form
    156,733.72/216,405.21 = 96,385.48/x
  3. Step 3: Cross multiply
    156,733.72x = 216,405.21 × 96,385.48
  4. Step 4: Simplify right side
    156,733.72x = 20,858,320,040.35
  5. Step 5: Solve for x
    x = 20,858,320,040.35/156,733.72
  6. Step 6: Final answer
    x = 133,081.25

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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.