Home / 156,029.36-215,320.64-88,060.88

Finding the Fourth Proportional to 156,029.36, 215,320.64 and 88,060.88

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Solution

The fourth proportional to 156,029.36, 215,320.64 and 88,060.88 is: 121,524.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,029.36 : 215,320.64 = 88,060.88 : x
  2. Step 2: Convert to fraction form
    156,029.36/215,320.64 = 88,060.88/x
  3. Step 3: Cross multiply
    156,029.36x = 215,320.64 × 88,060.88
  4. Step 4: Simplify right side
    156,029.36x = 18,961,325,040.56
  5. Step 5: Solve for x
    x = 18,961,325,040.56/156,029.36
  6. Step 6: Final answer
    x = 121,524.08

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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.