Home / 156,518.27-215,995.21-88,533.78

Finding the Fourth Proportional to 156,518.27, 215,995.21 and 88,533.78

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Solution

The fourth proportional to 156,518.27, 215,995.21 and 88,533.78 is: 122,176.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,518.27 : 215,995.21 = 88,533.78 : x
  2. Step 2: Convert to fraction form
    156,518.27/215,995.21 = 88,533.78/x
  3. Step 3: Cross multiply
    156,518.27x = 215,995.21 × 88,533.78
  4. Step 4: Simplify right side
    156,518.27x = 19,122,873,194.34
  5. Step 5: Solve for x
    x = 19,122,873,194.34/156,518.27
  6. Step 6: Final answer
    x = 122,176.62

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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.