Home / 253,982.16-381,148.20-113,897.52

Finding the Fourth Proportional to 253,982.16, 381,148.20 and 113,897.52

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Solution

The fourth proportional to 253,982.16, 381,148.20 and 113,897.52 is: 170,924.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,982.16 : 381,148.20 = 113,897.52 : x
  2. Step 2: Convert to fraction form
    253,982.16/381,148.20 = 113,897.52/x
  3. Step 3: Cross multiply
    253,982.16x = 381,148.20 × 113,897.52
  4. Step 4: Simplify right side
    253,982.16x = 43,411,834,732.46
  5. Step 5: Solve for x
    x = 43,411,834,732.46/253,982.16
  6. Step 6: Final answer
    x = 170,924.74

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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.