Home / 190,416.80-285,625.20-97,104.80

Finding the Fourth Proportional to 190,416.80, 285,625.20 and 97,104.80

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Solution

The fourth proportional to 190,416.80, 285,625.20 and 97,104.80 is: 145,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,416.80 : 285,625.20 = 97,104.80 : x
  2. Step 2: Convert to fraction form
    190,416.80/285,625.20 = 97,104.80/x
  3. Step 3: Cross multiply
    190,416.80x = 285,625.20 × 97,104.80
  4. Step 4: Simplify right side
    190,416.80x = 27,735,577,920.96
  5. Step 5: Solve for x
    x = 27,735,577,920.96/190,416.80
  6. Step 6: Final answer
    x = 145,657.20

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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.