Home / 156,928.37-216,558.59-85,310.19

Finding the Fourth Proportional to 156,928.37, 216,558.59 and 85,310.19

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Solution

The fourth proportional to 156,928.37, 216,558.59 and 85,310.19 is: 117,726.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,928.37 : 216,558.59 = 85,310.19 : x
  2. Step 2: Convert to fraction form
    156,928.37/216,558.59 = 85,310.19/x
  3. Step 3: Cross multiply
    156,928.37x = 216,558.59 × 85,310.19
  4. Step 4: Simplify right side
    156,928.37x = 18,474,654,032.48
  5. Step 5: Solve for x
    x = 18,474,654,032.48/156,928.37
  6. Step 6: Final answer
    x = 117,726.67

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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.