Home / 190,864.20-286,065.90-97,321.80

Finding the Fourth Proportional to 190,864.20, 286,065.90 and 97,321.80

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Solution

The fourth proportional to 190,864.20, 286,065.90 and 97,321.80 is: 145,865.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,864.20 : 286,065.90 = 97,321.80 : x
  2. Step 2: Convert to fraction form
    190,864.20/286,065.90 = 97,321.80/x
  3. Step 3: Cross multiply
    190,864.20x = 286,065.90 × 97,321.80
  4. Step 4: Simplify right side
    190,864.20x = 27,840,448,306.62
  5. Step 5: Solve for x
    x = 27,840,448,306.62/190,864.20
  6. Step 6: Final answer
    x = 145,865.22

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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.