Home / 181,208.40-271,812.60-76,102.80

Finding the Fourth Proportional to 181,208.40, 271,812.60 and 76,102.80

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Solution

The fourth proportional to 181,208.40, 271,812.60 and 76,102.80 is: 114,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,208.40 : 271,812.60 = 76,102.80 : x
  2. Step 2: Convert to fraction form
    181,208.40/271,812.60 = 76,102.80/x
  3. Step 3: Cross multiply
    181,208.40x = 271,812.60 × 76,102.80
  4. Step 4: Simplify right side
    181,208.40x = 20,685,699,935.28
  5. Step 5: Solve for x
    x = 20,685,699,935.28/181,208.40
  6. Step 6: Final answer
    x = 114,154.20

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1.5x scale

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.