Home / 190,983.06-285,072.71-176,908.50

Finding the Fourth Proportional to 190,983.06, 285,072.71 and 176,908.50

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Solution

The fourth proportional to 190,983.06, 285,072.71 and 176,908.50 is: 264,064.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,983.06 : 285,072.71 = 176,908.50 : x
  2. Step 2: Convert to fraction form
    190,983.06/285,072.71 = 176,908.50/x
  3. Step 3: Cross multiply
    190,983.06x = 285,072.71 × 176,908.50
  4. Step 4: Simplify right side
    190,983.06x = 50,431,784,632.49
  5. Step 5: Solve for x
    x = 50,431,784,632.49/190,983.06
  6. Step 6: Final answer
    x = 264,064.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.