Home / 190,046.72-284,502.15-114,939.68

Finding the Fourth Proportional to 190,046.72, 284,502.15 and 114,939.68

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Solution

The fourth proportional to 190,046.72, 284,502.15 and 114,939.68 is: 172,066.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,046.72 : 284,502.15 = 114,939.68 : x
  2. Step 2: Convert to fraction form
    190,046.72/284,502.15 = 114,939.68/x
  3. Step 3: Cross multiply
    190,046.72x = 284,502.15 × 114,939.68
  4. Step 4: Simplify right side
    190,046.72x = 32,700,584,657.80
  5. Step 5: Solve for x
    x = 32,700,584,657.80/190,046.72
  6. Step 6: Final answer
    x = 172,066.03

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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.