Home / 190,263.13-285,173.66-71,859.13

Finding the Fourth Proportional to 190,263.13, 285,173.66 and 71,859.13

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Solution

The fourth proportional to 190,263.13, 285,173.66 and 71,859.13 is: 107,705.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,263.13 : 285,173.66 = 71,859.13 : x
  2. Step 2: Convert to fraction form
    190,263.13/285,173.66 = 71,859.13/x
  3. Step 3: Cross multiply
    190,263.13x = 285,173.66 × 71,859.13
  4. Step 4: Simplify right side
    190,263.13x = 20,492,330,747.22
  5. Step 5: Solve for x
    x = 20,492,330,747.22/190,263.13
  6. Step 6: Final answer
    x = 107,705.21

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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.