Home / 190,146.82-285,203.16-57,056.80

Finding the Fourth Proportional to 190,146.82, 285,203.16 and 57,056.80

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Solution

The fourth proportional to 190,146.82, 285,203.16 and 57,056.80 is: 85,580.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,146.82 : 285,203.16 = 57,056.80 : x
  2. Step 2: Convert to fraction form
    190,146.82/285,203.16 = 57,056.80/x
  3. Step 3: Cross multiply
    190,146.82x = 285,203.16 × 57,056.80
  4. Step 4: Simplify right side
    190,146.82x = 16,272,779,659.49
  5. Step 5: Solve for x
    x = 16,272,779,659.49/190,146.82
  6. Step 6: Final answer
    x = 85,580.08

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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.