Home / 190,401.64-285,662.16-114,582.90

Finding the Fourth Proportional to 190,401.64, 285,662.16 and 114,582.90

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Solution

The fourth proportional to 190,401.64, 285,662.16 and 114,582.90 is: 171,910.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,401.64 : 285,662.16 = 114,582.90 : x
  2. Step 2: Convert to fraction form
    190,401.64/285,662.16 = 114,582.90/x
  3. Step 3: Cross multiply
    190,401.64x = 285,662.16 × 114,582.90
  4. Step 4: Simplify right side
    190,401.64x = 32,731,999,784.30
  5. Step 5: Solve for x
    x = 32,731,999,784.30/190,401.64
  6. Step 6: Final answer
    x = 171,910.29

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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.