Home / 541,266-811,902.36-141,903.18

Finding the Fourth Proportional to 541,266, 811,902.36 and 141,903.18

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Solution

The fourth proportional to 541,266, 811,902.36 and 141,903.18 is: 212,855.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,266 : 811,902.36 = 141,903.18 : x
  2. Step 2: Convert to fraction form
    541,266/811,902.36 = 141,903.18/x
  3. Step 3: Cross multiply
    541,266x = 811,902.36 × 141,903.18
  4. Step 4: Simplify right side
    541,266x = 115,211,526,733.51
  5. Step 5: Solve for x
    x = 115,211,526,733.51/541,266
  6. Step 6: Final answer
    x = 212,855.65

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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.