Home / 195,548.20-292,820.64-135,491.36

Finding the Fourth Proportional to 195,548.20, 292,820.64 and 135,491.36

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Solution

The fourth proportional to 195,548.20, 292,820.64 and 135,491.36 is: 202,889.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,548.20 : 292,820.64 = 135,491.36 : x
  2. Step 2: Convert to fraction form
    195,548.20/292,820.64 = 135,491.36/x
  3. Step 3: Cross multiply
    195,548.20x = 292,820.64 × 135,491.36
  4. Step 4: Simplify right side
    195,548.20x = 39,674,666,749.67
  5. Step 5: Solve for x
    x = 39,674,666,749.67/195,548.20
  6. Step 6: Final answer
    x = 202,889.45

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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.