Home / 190,799.70-285,969.15-97,257.30

Finding the Fourth Proportional to 190,799.70, 285,969.15 and 97,257.30

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Solution

The fourth proportional to 190,799.70, 285,969.15 and 97,257.30 is: 145,768.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,799.70 : 285,969.15 = 97,257.30 : x
  2. Step 2: Convert to fraction form
    190,799.70/285,969.15 = 97,257.30/x
  3. Step 3: Cross multiply
    190,799.70x = 285,969.15 × 97,257.30
  4. Step 4: Simplify right side
    190,799.70x = 27,812,587,412.30
  5. Step 5: Solve for x
    x = 27,812,587,412.30/190,799.70
  6. Step 6: Final answer
    x = 145,768.51

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1.5x scale

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.