Home / 190,540.95-285,848.48-57,414.61

Finding the Fourth Proportional to 190,540.95, 285,848.48 and 57,414.61

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Solution

The fourth proportional to 190,540.95, 285,848.48 and 57,414.61 is: 86,133.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,540.95 : 285,848.48 = 57,414.61 : x
  2. Step 2: Convert to fraction form
    190,540.95/285,848.48 = 57,414.61/x
  3. Step 3: Cross multiply
    190,540.95x = 285,848.48 × 57,414.61
  4. Step 4: Simplify right side
    190,540.95x = 16,411,878,998.29
  5. Step 5: Solve for x
    x = 16,411,878,998.29/190,540.95
  6. Step 6: Final answer
    x = 86,133.08

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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.