Home / 190,717.29-285,964.70-57,557.61

Finding the Fourth Proportional to 190,717.29, 285,964.70 and 57,557.61

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Solution

The fourth proportional to 190,717.29, 285,964.70 and 57,557.61 is: 86,302.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,717.29 : 285,964.70 = 57,557.61 : x
  2. Step 2: Convert to fraction form
    190,717.29/285,964.70 = 57,557.61/x
  3. Step 3: Cross multiply
    190,717.29x = 285,964.70 × 57,557.61
  4. Step 4: Simplify right side
    190,717.29x = 16,459,444,388.58
  5. Step 5: Solve for x
    x = 16,459,444,388.58/190,717.29
  6. Step 6: Final answer
    x = 86,302.84

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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.