Home / 190,178.12-285,326.86-114,363.92

Finding the Fourth Proportional to 190,178.12, 285,326.86 and 114,363.92

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Solution

The fourth proportional to 190,178.12, 285,326.86 and 114,363.92 is: 171,581.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,178.12 : 285,326.86 = 114,363.92 : x
  2. Step 2: Convert to fraction form
    190,178.12/285,326.86 = 114,363.92/x
  3. Step 3: Cross multiply
    190,178.12x = 285,326.86 × 114,363.92
  4. Step 4: Simplify right side
    190,178.12x = 32,631,098,190.89
  5. Step 5: Solve for x
    x = 32,631,098,190.89/190,178.12
  6. Step 6: Final answer
    x = 171,581.77

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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.