Home / 190,748.25-286,173.41-66,089.25

Finding the Fourth Proportional to 190,748.25, 286,173.41 and 66,089.25

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Solution

The fourth proportional to 190,748.25, 286,173.41 and 66,089.25 is: 99,151.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,748.25 : 286,173.41 = 66,089.25 : x
  2. Step 2: Convert to fraction form
    190,748.25/286,173.41 = 66,089.25/x
  3. Step 3: Cross multiply
    190,748.25x = 286,173.41 × 66,089.25
  4. Step 4: Simplify right side
    190,748.25x = 18,912,985,706.40
  5. Step 5: Solve for x
    x = 18,912,985,706.40/190,748.25
  6. Step 6: Final answer
    x = 99,151.56

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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.