Home / 156,867.08-216,476.38-85,246.94

Finding the Fourth Proportional to 156,867.08, 216,476.38 and 85,246.94

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Solution

The fourth proportional to 156,867.08, 216,476.38 and 85,246.94 is: 117,640.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,867.08 : 216,476.38 = 85,246.94 : x
  2. Step 2: Convert to fraction form
    156,867.08/216,476.38 = 85,246.94/x
  3. Step 3: Cross multiply
    156,867.08x = 216,476.38 × 85,246.94
  4. Step 4: Simplify right side
    156,867.08x = 18,453,948,977.28
  5. Step 5: Solve for x
    x = 18,453,948,977.28/156,867.08
  6. Step 6: Final answer
    x = 117,640.67

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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.