Home / 190,531.73-285,798.09-64,260.66

Finding the Fourth Proportional to 190,531.73, 285,798.09 and 64,260.66

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Solution

The fourth proportional to 190,531.73, 285,798.09 and 64,260.66 is: 96,391.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,531.73 : 285,798.09 = 64,260.66 : x
  2. Step 2: Convert to fraction form
    190,531.73/285,798.09 = 64,260.66/x
  3. Step 3: Cross multiply
    190,531.73x = 285,798.09 × 64,260.66
  4. Step 4: Simplify right side
    190,531.73x = 18,365,573,890.14
  5. Step 5: Solve for x
    x = 18,365,573,890.14/190,531.73
  6. Step 6: Final answer
    x = 96,391.16

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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.