Home / 156,934.62-216,567.23-85,316.43

Finding the Fourth Proportional to 156,934.62, 216,567.23 and 85,316.43

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Solution

The fourth proportional to 156,934.62, 216,567.23 and 85,316.43 is: 117,735.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,934.62 : 216,567.23 = 85,316.43 : x
  2. Step 2: Convert to fraction form
    156,934.62/216,567.23 = 85,316.43/x
  3. Step 3: Cross multiply
    156,934.62x = 216,567.23 × 85,316.43
  4. Step 4: Simplify right side
    156,934.62x = 18,476,742,492.01
  5. Step 5: Solve for x
    x = 18,476,742,492.01/156,934.62
  6. Step 6: Final answer
    x = 117,735.29

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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.