Home / 541,102.47-811,764.40-186,070.38

Finding the Fourth Proportional to 541,102.47, 811,764.40 and 186,070.38

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Solution

The fourth proportional to 541,102.47, 811,764.40 and 186,070.38 is: 279,143.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,102.47 : 811,764.40 = 186,070.38 : x
  2. Step 2: Convert to fraction form
    541,102.47/811,764.40 = 186,070.38/x
  3. Step 3: Cross multiply
    541,102.47x = 811,764.40 × 186,070.38
  4. Step 4: Simplify right side
    541,102.47x = 151,045,307,218.06
  5. Step 5: Solve for x
    x = 151,045,307,218.06/541,102.47
  6. Step 6: Final answer
    x = 279,143.63

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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.