Home / 156,914.32-216,540.92-88,944.16

Finding the Fourth Proportional to 156,914.32, 216,540.92 and 88,944.16

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Solution

The fourth proportional to 156,914.32, 216,540.92 and 88,944.16 is: 122,742.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,914.32 : 216,540.92 = 88,944.16 : x
  2. Step 2: Convert to fraction form
    156,914.32/216,540.92 = 88,944.16/x
  3. Step 3: Cross multiply
    156,914.32x = 216,540.92 × 88,944.16
  4. Step 4: Simplify right side
    156,914.32x = 19,260,050,235.03
  5. Step 5: Solve for x
    x = 19,260,050,235.03/156,914.32
  6. Step 6: Final answer
    x = 122,742.46

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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.