Home / 545,343.11-818,388.33-190,357.10

Finding the Fourth Proportional to 545,343.11, 818,388.33 and 190,357.10

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Solution

The fourth proportional to 545,343.11, 818,388.33 and 190,357.10 is: 285,666.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,343.11 : 818,388.33 = 190,357.10 : x
  2. Step 2: Convert to fraction form
    545,343.11/818,388.33 = 190,357.10/x
  3. Step 3: Cross multiply
    545,343.11x = 818,388.33 × 190,357.10
  4. Step 4: Simplify right side
    545,343.11x = 155,786,025,080.70
  5. Step 5: Solve for x
    x = 155,786,025,080.70/545,343.11
  6. Step 6: Final answer
    x = 285,666.08

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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.