Home / 114,513.40-172,230.90-102,532.60

Finding the Fourth Proportional to 114,513.40, 172,230.90 and 102,532.60

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Solution

The fourth proportional to 114,513.40, 172,230.90 and 102,532.60 is: 154,211.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,513.40 : 172,230.90 = 102,532.60 : x
  2. Step 2: Convert to fraction form
    114,513.40/172,230.90 = 102,532.60/x
  3. Step 3: Cross multiply
    114,513.40x = 172,230.90 × 102,532.60
  4. Step 4: Simplify right side
    114,513.40x = 17,659,281,977.34
  5. Step 5: Solve for x
    x = 17,659,281,977.34/114,513.40
  6. Step 6: Final answer
    x = 154,211.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.