Home / 190,570.78-285,783.54-64,177.11

Finding the Fourth Proportional to 190,570.78, 285,783.54 and 64,177.11

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Solution

The fourth proportional to 190,570.78, 285,783.54 and 64,177.11 is: 96,241.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,570.78 : 285,783.54 = 64,177.11 : x
  2. Step 2: Convert to fraction form
    190,570.78/285,783.54 = 64,177.11/x
  3. Step 3: Cross multiply
    190,570.78x = 285,783.54 × 64,177.11
  4. Step 4: Simplify right side
    190,570.78x = 18,340,761,803.10
  5. Step 5: Solve for x
    x = 18,340,761,803.10/190,570.78
  6. Step 6: Final answer
    x = 96,241.21

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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.