Home / 156,881.44-216,498.05-85,261.46

Finding the Fourth Proportional to 156,881.44, 216,498.05 and 85,261.46

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Solution

The fourth proportional to 156,881.44, 216,498.05 and 85,261.46 is: 117,661.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,881.44 : 216,498.05 = 85,261.46 : x
  2. Step 2: Convert to fraction form
    156,881.44/216,498.05 = 85,261.46/x
  3. Step 3: Cross multiply
    156,881.44x = 216,498.05 × 85,261.46
  4. Step 4: Simplify right side
    156,881.44x = 18,458,940,043.31
  5. Step 5: Solve for x
    x = 18,458,940,043.31/156,881.44
  6. Step 6: Final answer
    x = 117,661.72

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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.